CO3-2(aq) + 2H2O(l) ⇔ H2CO3(aq) + 2OH-(aq)
Acid-base reactions usually proceed in the direction of weaker acids. Strong acids react with water to form strong acids and weak bases. Acid-base pairs on opposite sides of the formula are called conjugate acid-base pairs.
Neutralization reactions can be defined as chemical reactions in which acids and bases react quantitatively to form salts and water as products. In a neutralization reaction, H+ and OH– ions combine to form water. When mixed, acids and bases neutralize each other to form salts, substances with a salty taste that do not have the characteristics of acids or bases.
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What are the types of fire prevention?.
There are two main types of fire prevention: active and passive systems.
Your active fire protection systems, commonly known as AFP, must include fire sprinkler systems, fire extinguishers, and fire alarms. All of these must be engaged if a fire starts, albeit occasionally a user must operate them instead of an automatic response. Carbon monoxide detectors, smoke alarms, and fire alarms are all practical pieces of technology that can alert everyone inside your building to the need to leave for safety.
PFP stands for passive fire prevention systems. Passive systems assist by giving everyone inside the building more time to evacuate by slowing the spread of the fire and the smoke that goes with it. A successful and complete passive fire protection system must include fire doors, fire dampers, fire walls, and Firestop technology.
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how much heat is required to completely melt 1.73 mol of solid isopropyl alcohol at its melting point
The heat required to completely melt 1.73 mol of solid isopropyl alcohol at its melting point is 5.71KJ
What is the required heat to melt solid isopropyl alcohol ?Heat required = heat fusion data* number of mol= 3.301 kJ/mol x 1. 73 mol
= 5.71KJ
Isopropyl alcohol is a flammable, colourless chemical compound with a strong alcoholic smell. The most straightforward instance of a secondary alcohol is when an isopropyl group is joined to a hydroxyl group, in which case the alcohol's carbon atom is bonded to two more carbon atoms. As a polar molecule like these substances, isopropyl alcohol is miscible in water, ethanol, and chloroform. Isopropyl alcohol can be separated from aqueous solutions by adding a salt such sodium chloride since, unlike ethanol or methanol, it is not miscible with salt solutions.Concentrated isopropyl alcohol separates into a clear layer as a result of the process, which is known as salting out informally.To learn more about isopropyl alcohol, refer:
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What are the coefficients needed to balance the following equations?
1. ____NH3 + ____O2 → ____NO + ____H2O
2. _____ Al2O3 + _____C → _____Al + _____CO2
What are the elements of Cubism art?.
The elements of cubism art are : the flat 2D surface, the object and figures area broken down into distinct planes.
the characteristics of cubism are the multiple perspectives in the application. it includes the geometric shapes, the color palette is monochromatic and the picture plane is flattened. it includes 2D dimensional surface of the plane of picture. the objects and the figures are broken down in to the distinct plane. the color management is based on the the palette of green , brown and gray colors with some light in the cubism art.
Thus the cubism art include the two dimensional picture plane.
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the eight carbon octane has an isomer, isooctane. would you predict that isooctane have a larger or smaller viscosity than octane?
Isooctane have larger viscosity than octane because of its branching it is bigger than octane and intermolecular forces is stronger than octane.
Isomerism is a word which is taken from Greek word 'Iso' means equal and 'mers' means parts. when the same molecular formula represents two or more compounds which differ in their physical and chemical properties then such compounds are called isomers.
Isooctane and octanes are structural isomers with the molecular formula C8H18. when the same molecular formula represents two or more compounds which differ arrangement of atoms groups within the molecule then such compounds are called structural isomerism.
Isooctane and octane both are non polar but isooctane have larger viscosity than octane because it is bigger due to its branching. Isooctane is smaller than isooctane the intermolecular forces are weaker.so the viscosity of octane is smaller than isooctane.
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Can you use sugar instead of salt?.
We are unable to replace salt with sugar. Many soluble carbohydrates with a sweet flavour and that are used in food are collectively referred to as sugar.
In addition to fructose, simple sugars also go by the name monosaccharides. also galactose. Disaccharides or double sugars are other names for compound of carbohydrates. Rock salt, also known as carbohydrates, is a naturally occurring crystalline mineral that is made up mostly of sodium chloride (NaCl), a chemical molecule that is a member of the larger class of salts. In seawater, salt is found in enormous amounts.
Seawater, where it makes up the majority of the minerals, contains a significant amount of it. Animal life cannot exist without salt, and humans' basic tastes include saltiness.
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which of the following is not true of molecular orbitals? a) the number of molecular orbitals formed is always equal to the number of atomic orbitals combined. b) a molecular orbital can accommodate up to two electrons. c) when electrons are added to orbitals of the same energy, the most stable arrangement is predicted by hund's rule. d) low-energy molecular orbitals fill before high-energy molecular orbitals fill. e) for any substance, the number of electrons in molecular orbitals is equal to the sum of all the valence electrons on the bonding atoms.
The following is not true of molecular orbitals : for any substance, the number of electrons in molecular orbitals is equal to the sum of all the valence electrons on the bonding atoms.
a) the number of molecular orbitals formed is always equal to the number of atomic orbitals combined is true for the molecular orbital.
b) a molecular orbital can accommodate up to two electrons is true
c) when electrons are added to orbitals of the same energy, the most stable arrangement is predicted by hund's rule is true
d) low-energy molecular orbitals fill before high-energy molecular orbitals fill is true.
e) for any substance, the number of electrons in molecular orbitals is equal to the sum of all the valence electrons on the bonding atoms is false is is not true for the molecular orbital.
Thus, the statement which not true of molecular orbitals is for any substance, the number of electrons in molecular orbitals is equal to sum of the valence electrons on the bonding atoms.
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activation energy for a particular reaction is 83.1 kj mol-1 . what factor will the rate constant increase whne temp is increased from 50 c to 60 c
The rate constant increase is 0.12033 when activation energy is produced.
Consider the reaction that results in the formation of the product C from the two products A and B.A + B → C.
We are aware that the reactant already has some energy, i. e. Er. The reactant is now given a certain amount of energy. The molecules of A and B collide as they gain energy, and as a result of their subsequent adhesion to form AB in the transition state. The energy barrier is this state of transition.Extra energy—the activation energy—is now supplied in order to break through this barrier.Therefore, activation energy is the term used to describe the excess energy (the energy supplied to reactants above their average energy) required for chemical reactions.Formula to find Rate difference Ri -
[tex]Ri=\frac{T-t}{A}[/tex]Ri= 60-50 /83.1
= 10/83.1
=0.12033
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sodium metal reacts with liquid bromine to form sodium bromide. when 21.0 g of sodium is placed in 95.0 g of bromine, how many moles of sodium are expected to react?
The number of moles of Na in sodium bromide is .891 moles
What is moles?A solution is a type of homogeneous mixture that consists of two or more substances. A solution is made up of a solvent and a solute. A solute is a substance that has been dissolved in another substance known as a solvent. The number of particles present in a given amount of substance is expressed in moles.Sodium bromide is formed when sodium reacts with bromide.
Na + Br → NaBr is the balanced chemical equation. Only one mole of sodium is required in the reaction to react with one mole of bromine to produce one mole of sodium bromide.
mass(Na)= 20.5 g
To find number of mol of Na,
n = mass of Na/molar mass of Na
By substituting the values ,
n = 20.5g / 22.99g/mol
n = 0.891 moles
Therefore the moles of sodium is .891 moles.
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how many milliliters of 10.8 m perchloric acid solution should be used to prepare 4.50 l of 0.400 m ?
166.6 mL of the stock solution that is perchloric acid is needed to prepare 4.50 l of 0.400m.
What is perchloric acid ?With the chemical formula HClO4, perchloric acid is a mineral acid. This colourless chemical, which is often found as an aqueous solution, is a stronger acid than sulfuric acid, nitric acid, and hydrochloric acid.Ammonium perchlorate, a crucial component of rocket fuel, can be prepared with the help of perchloric acid, which is also useful for other perchlorate salts. Perchloric acid is very corrosive and easily creates mixes that could explode.There are two methods for producing perchloric acid industrially. The conventional method takes advantage of sodium perchlorate's high aqueous solubility.Molarity of stock solution (M1) = 10.8 M
Molarity of diluted solution (M2) = 0.4 M
Volume of diluted solution (V2) = 4.5 L
Volume of stock solution needed (V1) =.?
The volume of the stock solution needed can be obtained by using the following formula:
M1V1 = M2V2
10.8 × V2 = 0.4 × 4.5
10.8 × V2 = 1.8
Divide both side by 10.8
V2 = 1.8 / 10.8
V2 = 0.1666 L
Finally, we shall convert 0.1666 L to millilitres (mL) in order to obtain the desired result. This can be obtained as follow:
1 L = 1000 mL
Therefore,
0.1666 L = 0.1666 L × 1000 mL / 1 L
0.1666 L = 166.6 mL
Therefore, 0.1666 L is equivalent to 166.6 mL.
Thus, 166.6 mL of the stock solution (i.e perchloric acid) is needed.
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Can you reheat fried rice?.
The fried rice can indeed be heated. The easiest way to reheat leftover fried rice is in a wok since, unlike other fried meals, it has already been heated at high temperatures.
When you try to re-fry it with oil, it makes no difference. Here is a link to it. The first method is stovetop stir-frying. This approach works best for restoring the crunch of leftover fried rice, which is why it is my favorite's. Cool the rice as soon as you can if that isn't possible (ideally within 1 hour). Reheat fried rice in the refrigerator no longer than one day. Always certain that the rice is thoroughly steaming heated while reheating it.
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g the actual catalyst in this reaction is pt metal. why pt metal is not used as such and instead the h2ptcl6 complex is used?
Platinum catalyst is remoted from ores or recycled from residues because it indicates very excessive catalytic activity.
To recognise approximately Catalyst
Catalysts permit chemical reactions to take area that in any other case could best take area slowly, and in a few times so slowly they could successfully now no longer take area in any respect withinside the absence of a catalyst. Platinum changed into the primary heterogeneous catalyst to be discovered, and all the platinum organization metals display very excessive catalytic activity.
Like many platinum compounds, chloroplatinic acid is a catalyst for hydrogenation. Upon remedy with an ammonium salt, consisting of ammonium chloride, chloroplatinic acid converts to ammonium hex chloroplatinate, which precipitates as a solid.
Upon heating In an surroundings of hydrogen, the ammonium salt converts to elemental platinum. Platinum is frequently remoted from ores or recycled from residues the use of this method
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How do you write 2350 in standard form?.
2350 in standard form is 2.350*10^3
Standard form refers to any number that can be expressed as a decimal number and falls within the range of 1.0 and 10.0 when multiplied by a power of 10. The conventional form of 123,000,000 is 1.23 108 because, if you look closely, 1.23 is a decimal number between 1.0 and 10.0. Given that you skipped over all those zeros, we'll give you a shorter version of the sentence instead: There are 4.543 billion years on Earth. you see how it is possible to read numbers in a more understandable manner To make mathematics easier for everyone to understand, write, and work with, mathematicians from all over the world resolved to settle on a set of standards for how to express mathematical ideas.
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Will an atom that gains three electrons have a +3 charge?.
a standing body of fresh water that is stratified into layers based on temperature and light penetration. this body of water may have seasonal differences in the temperatures at varying depths.
Lakes, ponds, rivers, or stream were examples of freshwater biomes, as are other bodies of standing water (flowing water).
What do you mean penetration?An entry or passage into something or someone: UV rays can enter the skin less deeply when wearing sunscreen. The business wants to penetrate the market more deeply. the sexual act of inserting your genitalia or similar object into another person's body.
What does high penetration mean?A business is regarded as the market leader in its sector if its products have a large market share. Due to their well-known products and brands, leading companies have a marketing edge because they are able reach more potential customers.
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For the following reaction, 11.4 grams of sulfur are allowed to react with 23.9 grams of carbon monoxide .
sulfur(s) + carbon monoxide(g) sulfur dioxide(g) + carbon(s)
What is the maximum amount of sulfur dioxide that can be formed? (grams)
What is the FORMULA for the limiting reagent?
What amount of the excess reagent remains after the reaction is complete? (grams)
The formula for limiting reagent is "S". The maximum amount of sulfur dioxide formed is 9.6g and the limiting reagent is 0.15 moles.
Limiting reagent is the reagent that limits or inhibit the formation of product.
As we know,
To calculate the number of moles we need to divide given mass by molar mass.
No. of moles = given mass/ molar mass.
For sulfur: -
No. of moles = 11.4 / 32
= 0.35 moles.
For carbon monoxide: -
No. of moles = 23.9 / 28
= 0.85 moles.
The chemical reaction would be S + 2 CO - SO2 + 2C
Here, we can see that 1 mole of sulfur is reacting with 2 moles of carbon monoxide. Therefore, 2/1 x 0.35 moles.
Therefore, excess amount of sulfur is 0.70.
Thus, carbon monoxide is the limiting reagent here.
For the excess amount of reagent is 0.85 - 0.70 = 0.15 moles.
By stoichiometry, we can conclude that 1 mole of sulfur gives 1 mole of sulfur dioxide.
For the excess amount of sulfur dioxide: -
Molar mass of sulfur dioxide = 64g.
Therefore, 0.15 = given mass of SO2 / 64
Mass of sulfur dioxide = 9.6 g.
For excess amount of carbon monoxide: -
Molar mass of carbon monoxide = 28g.
Therefore, 0.15 = given mass of CO / 28
Mass of carbon monoxide = 4.2 g.
Therefore, the maximum amount of sulfur dioxide produced is 9.6 g and the excess limiting reagent is 0.15 moles.
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In the presence of oxygen, pyruvate can enter the citric acid cycle but must be converted to first.
In the presence of oxygen, pyruvate can enter the citric acid cycle but must be converted to first acetyl CoA.
A molecule known as acetyl-CoA (acetyl coenzyme A) is involved in a variety of metabolic processes in the metabolism of proteins, carbohydrates, and lipids. Its primary job is to transport the acetyl group to the Krebs cycle, which oxidizes it to produce energy. A -mercaptoethylamine group is joined to pantothenic acid (B5) by an amide linkage[3] and 3'-phosphorylated ADP to form coenzyme A (CoASH or CoA). The sulfhydryl substituent of the -mercaptoethylamine group is connected to the acetyl group of the acetyl-CoA molecule, which is shown in blue in the structural figure on the right. This "high energy" connection in the thioester linkage is especially reactive. Thioester bond hydrolysis requires exergonic energy (31.5 kJ/mol).
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calculate the ph of 1.00 l of a buffer that is 1.00 m in acetic acid and 1.00 m in sodium acetate after the addition of 0.400 mole of naoh.
Initial moles of sodium acetate = acetic acid = 1 m * 1 L = 1 moles
Concentration of acetate after adding NaOH = 1 mole + 0.40 mole = 1.40 M
Concentration of acetic acid after adding NaOH = 1 mol - 0.40 mol = 0.60 M
According to Handerson - Hasselblach equation:
pH = Pka + ㏒ [ acetate]/[acetic acid]
we know that,
for acetic acid, pKa = 4.74
so, by substitution:
∴pH = 4.74 + ㏒[1.40/0.60]
∴ pH = 5.10
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In each of the following cases, indicate the item with the more inelastic (i.e., less elastic) demand: (each of these answers is worth 2 points) Enter the number 1 or 2, as instructed. Any other entry will be marked as incorrect by the grading algorithm, so be careful. You may wish to refer to the lecture notes entitled Determinants of Price Elasticity of Demand in the COURSE CONTENTS section.
a. The for gasoline (enter 1) vs. the demand for champagne (enter 2).
b. The demand for rides on the subway for one week (enter 1) vs. the demand for rides on the subway over a period of one year (enter 2).
c. The McConnell, et al textbooks (10th edition) at the college bookstore (enter 1) vs. the demand for pulp fiction books at the newsstand, grocery store, drug store, etc. (enter 2).
d. The demand for Morton's salt (enter 1) vs. the demand for salt (enter 2) .
e. The demand for a house (enter 1) vs. the demand for a piece of chewing gum (enter 2).
The demand for subway rides over the course of a year versus the demand for rides over a week (enter 1).
What is gasoline made of?Gasoline is a mixture of several different molecules hydrogen and carbon (hydrocarbons). A typical gasoline mixture typically contains 150 different hydrocarbons, including butane, n - heptane, isopentane, and the BTEX chemicals (benzene, ethylbenzene, toluene, and xylenes).
Which is it: gasoline or petrol?Combination of burnable, volatile liquid hydrocarbons derived from petroleum that is used as motor vehicle fuel; also known as gasolene, gas, or petrol. It also functions as a solvent for fats and oils.
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according to heisenberg's uncertainty principle, we cannot assign fixed paths to electrons, but we can know the
According to Heisenberg's uncertainty principle, we cannot assign fixed paths to electrons, but we can know the position of an electron.
The uncertainty principle states that we cannot know both the position and speed of a particle, such as a photon or electron, with perfect accuracy. It means that the more we nail down the particle's position, the less we know about its speed and vice versa.
Bohr said that electrons travel in orbits that is they have fixed paths, but uncertainty principal states that position and momentum of an electron can not be predicted together or at once. So we can only guess the position of electron by probability there is no fixed path but orbitals, these are areas where probability to find an electron is usually high, so uncertainty principal contradicts the bohr's orbits.
So we can summarize by saying that even though we cannot predict the paths of an electron, but we can at least tell the position of the electrons with some certainty.
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predict the sign on the thermodynamic quantities listed below based on the scene representing a physical change in a piston-cylinder assembly.
Based on a scene showing a physical change in a piston-cylinder assembly, the thermodynamic numbers indicated below are 760 torr 760.
What elements make up the first rule of thermodynamics?The first law of thermodynamics states that the following equation describes how the change in internal energy relates to the heat exchanged by the system and the work performed on or by the system: U = Q + W, where Q represents the heat energy that the system exchanged.
What are the thermodynamic quantities' two components?Extensive and intensive thermodynamic quantities are traditionally separated into these two categories. While intensive quantities are independent of system size, extensive quantities grow linearly with system size.
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What are the benefits of warm-up exercises?.
FILL IN THE BLANK. An online platform that connects a company with a group of interested consumers, thereby allowing the company to collaborate with the consumers on researching a product, is an online research _________.
An online platform that connects a company with a group of interested consumers, thereby allowing the company to collaborate with the consumers on researching a product, is an online research community.
The online platform connects a company with the group of consumers which allows the company to collaborate with the consumer on the researching the product called as research community. online research platform is for the uncover the consumers need. An online platform that connects a company with a group of interested consumers.
Thus, allowing the company to collaborate with the consumers on researching a product, is called as an online research community.
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What are the 4 bases in DNA and how are they arranged?.
As we know DNA is responsible for the information to be passed from one generation to the next.
Molecule inside the cells containing the genetic information which is responsible for the development and function of an organism is DNA.
DNA or Deoxyribo Nucleic Acid is made up of two polynucleotide chains coiled around each other to form a double helix structure.
It carries the genetic instructions for the development of organisms that helps in functioning, growth and reproduction of all known organisms and many viruses.
If we look into the structure of DNA, it is a cyclic Ribose sugar that is attached to phosphate group in one side and a nitrogenous base other side as shown in figure.
The four nucleotides, or nitrogenous bases, in DNA are:
Adenine (A),
Cytosine (C),
Guanine (G), and
Thymine (T).
These bases form pairs such that, A with T, and G with C.
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Is pewter a chemical contaminant?.
Yes pewter is a chemical contaminant.
Chemical contaminants are substances that are unintentionally present in the food or also in the feed. These substances may be present in food as a result of various stages of its production, processing or also due to transport. They might also result from environmental contamination as well. Chemical contaminants may be harmful to humans and animals.
Pewter which generally may have some copper, silver or lead in it, copper, zinc, galvanized items and some types of painted pottery, all of which are not food grade and should not be used with food. This is especially true when high acid foods, such as orange juice, come in contact with these materials, the rate of contaminations become faster.
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how do you explain this result? how do you explain this result? the addition of alcohol dehydrogenase plus its substrate allows regeneration of nad . now oxidized nad is available for the additional tca reactions in which additional co2 can be produced. the addition of alcohol dehydrogenase plus its substrate allows regeneration of fad . now oxidized fad is available for the additional tca reactions in which additional co2 can be produced. the addition of alcohol dehydrogenase plus its substrate allows regeneration of gdp . now oxidized gdp is available for the additional phosphorylation in which additional co2 can be produced. the addition of alcohol dehydrogenase plus its substrate allows regeneration of oxaloacetate. additional amount of the substrate is available for the following tca reactions in which additional co2 can be produced.
The addition of alcohol dehydrogenase plus its substrate allows regeneration of NAD+. Now oxidized NAD+ is available for the additional TCA reactions in which additional CO2 can be produced.
The reduction of nicotinamide adenine dinucleotide to NADH by a class of dehydrogenases known as alcohol dehydrogenases allows for the interconversion of alcohols with aldehydes or ketones.
Alcohol is made of ethanol, which is metabolized by the enzyme alcohol dehydrogenase (ADH) into the poisonous compound acetaldehyde. Acetaldehyde is then converted by the liver enzyme aldehyde dehydrogenase (ALDH) into acetate, a less harmful substance that decomposes into water and carbon dioxide.
Alcohol is metabolized by the liver using cytochrome P450 2E1 and alcohol dehydrogenase (ADH) (CYP2E1). Although ethanol is metabolized into acetaldehyde by both enzymes, CYP2E1 activity also generates reactive oxygen species (ROS) that encourage oxidative stress.
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helium originates from helium originates from only the big bang. mostly from stellar nucleosynthesis with a small contribution from the big bang. only radioactive decay of elements heavier than carbon. only stellar nucleosynthesis. mostly from the big bang with a small contribution from stellar nucleosynthesis.
A minor contribution from star nucleosynthesis to the Big Bang
What purpose serves helium?Helium is utilized to create a neutral protective atmosphere for the production of fiber optics and semiconductors as well as for arc welding because of how little it reacts. Nitrogen is also used to fill car airbags after an accident since it diffuses quickly and can be utilized for detect defects, such as those in automotive air conditioning systems.
Where can one find helium?Natural gas reserves are the most prevalent source of helium, a non-renewable resource. Natural gas in Texas, Oklahoma, and Kansas is among the most helium-rich in the world due to the region's geology.
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which of the following contains the three posttranscriptional modifications often seen in the maturation of mrna in eukaryotes? a)5'-capping, 3'-poly(a) tail addition, splicing b)3'-capping, 5'-poly(a) tail addition, splicing c)removal of exons, insertion of introns, capping d)5'-poly(a) tail addition, insertion of introns, capping e)heteroduplex formation, base modification, capping
5'-capping, 3'-poly(a) tail addition, splicing contains the three posttranscriptional modifications often seen in the maturation of mRNA in eukaryotes.
What are the 3 modifications to pre-mRNA?To become a mature mRNA molecule capable of leaving the nucleus and being translated, the pre-mRNA must undergo various alterations. Splicing, capping, and the insertion of a poly-A tail are all examples of processes that may be managed - sped up, slowed down, or adjusted to produce a different product.Pre-mRNAs are processed in three stages in eukaryotic cells: Ending at the 5' mark. A poly(A) tail is added at the 3' end. Splicing in order to eliminate intronsA lengthy sequence of A nucleotides is linked to the 3' end of the transcript. This is known as the poly-A tail. The 5' cap and poly-A tail protect the mRNA transcript from assault by exonucleases, which are cytoplasmic enzymes that selectively target RNA molecules.To learn more about mRNA refer,
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The lock-and-key model and the induced-fit model are two models of enzyme action explaining both the specificity and the catalytic activity of enzymes. Following are several statements concerning enzyme and substrate interaction. Indicate whether each statement is part of the lock-and-key model, the induced-fit model, or is common to both models. Note: If you answer any part of this question incorrectly, a single red X will appear indicating that one or more of the phrases are sorted incorrectly.
The statement, which solely follows the lock and key model is that the active site of the enzyme possesses a rigid composition complementary to that of a substrate.
The substrate serves as the key and the enzyme serves as the lock in the lock and key model. This model demonstrates that the substrate has a specific form that only allows it to fit in the enzyme and prevents the binding of any other substrate. According to the induced fit model, when an enzyme's active site interacts with the proper substrate, the enzyme modifies its configuration to conform to the structure of the molecule.
The statement which follows the induced fit model is that the conformation of the enzyme changes when it combines with the substrate so that the active site fits with the substrate.
Both models imply the statements that the substrate and enzyme interact noncovalently and that the binding of the substrate to the active site of the enzyme results in an enzyme-substrate complex.
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Put the steps in order for the dilution of the titrant stock solution. Summarize these steps in your Original Proposal procedures. 1 [Choose ] 2 [Choose] Touch of any hanging drops before placing the pipet tip in the 25 mL volumetric flask Prerinse the volumetric pipet with a small amount of stock solution Fill the volumetric pipet until the meniscus is inline with the etched line on the volumetric pipet Fill the volumetric flask to the calibration line on the neck with Dl water. Cap and invert the volumetric flask to mix the new solution. Obtain a volumetric pipet with a volume equal to the calculated value Determine the volume of stock solution needed for dilution All the stock solution to flow from the pipet into the volumetric flask 3 4 [Choose ] 5 [Choose ] 6 [Choose ] 7 [Choose ] 8 [Choose ]
The order for steps are as Determine the volume of stock solution needed for dilution and ten further process.
The solution of a favored attention also can be organized with the aid of using diluting a small quantity of a greater focused answer with extra solvent. A inventory answer is a commercially organized answer of regarded attention and is frequently used for this purpose.
A inventory solution is ready with the aid of using weighing out the perfect part of a natural stable or with the aid of using measuring out the perfect quantity of a natural liquid, putting it in a appropriate flask, and diluting to a regarded quantity. Exactly how one measure's the reagent relies upon at the favored attention unit.
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