Among the given options, the solution with the highest concentration of chloride ions is C. 0.60 M AlCl3 with a concentration of chloride ions of 1.80 M.
To determine which solution will have the highest concentration of chloride ions, we need to consider the number of chloride ions present in each compound.
A. 0.20 M LiCl:
In LiCl, for every 1 mole of LiCl, there is 1 mole of chloride ions (Cl-). Therefore, the concentration of chloride ions is also 0.20 M.
B. 0.40 M CaCl2:
In CaCl2, for every 1 mole of CaCl2, there are 2 moles of chloride ions (2Cl-). Therefore, the concentration of chloride ions is 2 times the concentration of the compound, which is 2 × 0.40 M = 0.80 M.
C. 0.60 M AlCl3:
In AlCl3, for every 1 mole of AlCl3, there are 3 moles of chloride ions (3Cl-). Therefore, the concentration of chloride ions is 3 times the concentration of the compound, which is 3 × 0.60 M = 1.80 M.
D. 0.40 M MgCl2:
In MgCl2, for every 1 mole of MgCl2, there are 2 moles of chloride ions (2Cl-). Therefore, the concentration of chloride ions is 2 times the concentration of the compound, which is 2 × 0.40 M = 0.80 M.
Therefore, among the given options, the solution with the highest concentration of chloride ions is C. 0.60 M AlCl3 with a concentration of chloride ions of 1.80 M.
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What makes an isotope radioactive?
PLease help quick
Answer:
Many elements have one or more isotopes that are radioactive. These isotopes are called radioisotopes. Their nuclei are unstable, so they break down, or decay, and emit radiation. ... A: The nucleus may be unstable because it has too many protons or an unstable ratio of protons to neutrons.
Work is the transfer of energy through motion. Force and distance are in the same direction
A. True
B. False
Answer:
True
Explanation:
4)
Chemical research that is directed toward a practical goal is called
Answer:
chemical knowledge
Explanation:
The pursuit of chemical knowledge for its own sake, no set goal Applied chemistry Research that is directed toward a practical goal or application, geared toward a specific goal
Answer: applied research
Explanation:
At what point is the electric field around the positive charge the weakest?
Answer:
A
Explanation:
as u move away from static charge the electric field intensity decreses
A very disorganized scientist has lost track of some data from a recent experiment and can no longer determine what element she was working with. Now, she refers to it as element X. She knows the element has a smaller atomic radius than strontium, a larger ionization energy than phosphorus, and a smaller electronegativity than chlorine. What is the likely identity of element X?
Answer :
The element X which ha a smaller atomic radius than strontium , a larger ionization energy than phosphorous , and a smaller elctronegativity than chlorine is Nitrogen
Explanation:
Here are some properties of Nitrogen-
Atomic number of Nitrogen is 7 Atomic mass of nitrogen is 14.0067 g.mol -1Nitrogen is a popular non-metal gas that is usually colourless, odourless, tasteless and often diatomic. In its outer shell, it has five electrons, but in most compounds, it is trivalent. Applications- In the manufacture of ammonia, the greatest single commercial use of nitrogen is as a part, subsequently used as fertilizer and to produce nitric acid. Liquid nitrogen (often referred to as LN2) is used as a refrigerant for the freezing and transport of food items, for the protection of bodies and for the reproduction of food products. Nitrogen is a constituent in all living tissues and comprises 78 percent of the Earth 's atmosphere. Nitrogen, since it is a component of DNA and, as such, is part of the genetic code, is an integral element of life.Hence , the X element is NITROGEN.
Which structure is located between the auricle and the eardrum? O stirrup O ear canal O auditory nerve Ocochlea
Answer:
The structure that is located between the auricle and the eardrum is the ear canal.
Explanation:
The ear canal, or external ear canal, is a a tubular hole about 30 mm long that runs from the auricle to the eardrum, forming part of the external ear.
Its function is to conduct sound, in the form of vibrations, from the outside to the eardrum. It also has the function of producing a viscous secretion called cerumen, capable of trapping dust particles and small foreign bodies.
Other options are not correct because:
Stirrup is located in the middle ear, along with the anvil and hammer. Cochlea is in the inner ear and continues with the auditory nerve.Answer:
ear canal
Explanation:
4
Evidence is only useful to a scientific argument when it's:
A
Based on observation
B.
Measured in numbers
С
Relevant to the claim
D
Collected by a scientist
Answer:
relevant to the claim i think
The mass of a a typical car is 770 kg. What is the weight of that car on Earth?
The mass of a a typical car is 770 kg. What is the weight of that car on Earth?
a:770 N
b:4,312 N
c:7,546 N
d:4,312 kg
Answer: C.) 7,546 N
Explanation:
Given the following :
Mass of car (m) = 770 kg
Weight of car on earth = W
Weight = mass(m) × acceleration due to gravity(a)
Acceleration due gravity on earth = 9.8m/s²
Weight = 770kg × 9.8m/s²
Weight = 7546kgm/s² or 7,546 N
What is the empirical formula for C2H6?
ОСН
O CH3
O C2H4
O C6H18
Answer:
Option 2 is correct = CH₃
Explanation:
Empirical formula:
It is the simplest formula gives the ratio of atoms of different elements in small whole number .
For example:
C₂H₆
The simplest small whole number for C₂ is one and H₆ is 3. Thus empirical formula is CH₃.
Other options are incorrect.
Some more examples:
S₂O₂
The simples positive number for S and O is 1, thus its empirical formula is SO. The 1 is usually not written with symbol in formula.
What is true of all matter? *
A. It has mass
B. It can be seen
C. It exists only as a solid
D. It maintains its shape and size
Answer:
A
Explanation:
what does mechanical energy mean?
Answer:
Mechanical energy is basically the energy of movement
For example, if I am running, im using Mechanical energy
Which models of the atom include a structure that is mostly made of empty space?
Select one or more:
a. Bohr
b. Rutherford
c. Quantum mechanical
d. Thomson
what is meant by ionisation energy
Answer:
Ionization energy is simple terms can be described as a measure of the difficulty in removing an electron from an atom or ion or the tendency of an atom or ion to surrender an electron.
Answer:
What is meant by ionization energy?
Ionization energy or ionization potential is the minimum amount of energy required to remove the most loosely bound electron of an isolated neutral gaseous atom or molecule. The amount of energy required to remove an electron from an isolated atom or molecule.
Example of ionization energy
1) Ionization energies measure the tendency of a neutral atom to resist the loss of electrons. It takes a considerable amount of energy, for example, to remove an electron from a neutral fluorine atom to form a positively charged ion.
2) Ionization: Changing Atoms Into Charged Ions
Some examples that you may be familiar with include: When sodium and chlorine combine to make salt, the sodium atom gives up an electron resulting in a positive charge while chlorine gets the electron and becomes negatively charged as a result.
How many molecules of NH3 are present in 107.1 g?
Answer:
37.94 × 10²³ molecules of ammonia.
Explanation:
Given data:
Mass of ammonia = 107.1 g
Number of molecules = ?
Solution:
First of all we will calculate the number of moles of ammonia.
Number of moles = mass/molar molar mass
Number of moles = 107.1 g/ 17 g/mol
Number of moles = 6.3 mol
Now we will use the Avogadro number to calculate the number of molecules.
It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.
The number 6.022 × 10²³ is called Avogadro number.
1 mole = 6.022 × 10²³ molecules
6.3 mol × 6.022 × 10²³ molecules / 1mol
37.94 × 10²³ molecules of ammonia.
Match the scientist with their discovery
John Dalton
Ernest Rutherford
A. Atoms
B. Protons
Answer:
john dalton.a
ernest rutherford .b
Layers: Earth as ___: Sun
A) Milky Way galaxy
B) zero gravity
C) solid surface
D) gas
Answer:
C solid surface
Explanation:
Answer:
c
Explanation:
thrust i THINK ok well bye
Which electron configuration represents the first two elements in group 17 (7A) of the periodic table?
Answer:
C is correct
Explanation:love ya all
HURRY
(send a picture if you can)
Explanation:
The first is Oxygen (O) between N and F
After F, the next is Neon (Ne)
Before Mg, it is Sodium (Na)
Between Al and P, it is Silicon (Si)
Potassium (K) is the last one, between S and Ar
Which of earth’s layers is responsible for creating the earth’s magnetic field
Answer:
Explanation:
The core makes the Magnetic field around the Earth:)
Within each energy level there are different sublevels that are created. Those electrons that have the lowest
amount of energy follow paths that are spherical in shape. Which sublevel is associated with this shape?
A)
d.
B)
f
C)
р
D)
S
what happens when balloon filled with CO2 is released in air
chemical and physical properties of calcite
Answer:
Chemical Classification Carbonate
Explanation:
Which of the following has the lowest boiling point?
O HF
NaCl
O MgCl2
O CH4
Answer:
sheshhhhhhhh naci
Explanation:
What is the electron configuration for Selenium? *
1s²2s²2p⁶3s²3d¹⁰3p⁶4s³4p³
2s³2p⁶3s³3p⁶4s³3d¹⁰4p⁶
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴
1s²2s³2p⁶3s²3p⁶3d¹⁰4s²4p⁴
Explanation:
The electronic configuration of Selenium(Se) is 1s22s22p63s23p63d104s24p4 we remove electron .the electron configuration is1s22s22p63s23p63d104s24p4
the correct anwser is C
The electron configuration for Selenium is: 1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴.
Therefore, option c is correct.
What is electronic configuration ?The electronic configuration of an element is the filling of electron from lower energy level to the higher energy level. This is according to the Aufbau's principle.
Selenium has 34 electrons. The electronic configuration of Selenium can be determined by filling the electrons in increasing order of energy levels and sub-levels.
The electronic configuration of Selenium can be written as:
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁴
Here, 4s is more energetic than 3d and thus occupies first.
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Which particle has a negative charge?
A. A beta particle
B.
An aluminum ion
C.
An alpha particle
D.
A lithium ion
Answer: A
Explanation: Beta particles have a charge of -1
If a mass of a cube were 48.0g and its volume 24.0 cm3 what would its density be
Answer:
The answer is 2 g/cm³Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\ [/tex]
From the question
mass = 48 g
volume = 24 cm³
We have
[tex]density = \frac{48}{24} \\ [/tex]
We have the final answer as
2 g/cm³Hope this helps you
what is the molecular formula of sodium sulphate
What is the percent composition of sulfur in SO2?
(32.1 g + 16.0 g + 16.0 g)
O A.
X 100%
32.1 g
32.1 g
B.
X 100%
(16.0 g + 16.0 g)
(32.1 g)(6.02 x 1023)
100 g
32.1 g
D.
X 100%
(32.1 g + 16.0 g + 16.0 g)
Answer:
Explanation:
5.0.4 percent
Answer:
its D y'all
Explanation:
When using evaporation/boiling, it is
important to remember that the only
thing retained is the
a) solid
b) gas
c) liquid
how many atoms of nitrogen (N) are in this compound?
3 Pb(NO3)4
Answer:
12 nitrogen atoms
Explanation:
This is essentially 3 molecules of Lead (IV) Nitrate, And since there were originally 4 nitrogen atoms in this single ionic compound, there are now 12 total
