Question 1

Matching Questions
Match each term with its corresponding definition .
-micelle

Accepted Answer

A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals 
A) insoluble in water, such as the nonpolar hydrocarbon tail of a detergent molecule 
B) soluble in water, such as the polar end of a detergent molecule 
C) the spherical structure formed by detergent molecules when added to water 
D) a measure of the disorder in a system 
E) a solution of two or more metals

Question 2

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water.
-500 mL of 0.0002 M ammonium sulfate solution

Accepted Answer

A) 0.0002 
B) 0.0001 
C) 0.0003 
A) 0.0002 
B) 0.0001 
C) 0.0003

Question 3

Alloys are solid solutions.

Accepted Answer

A) True 
 B)False

Question 4

Match each of the aqueous solutions with its corresponding molarity.
-0.50 moles NaOH in 4.5 L of solution

Accepted Answer

A) 1.3 M 
B) 0.80 M 
C) 4.4 M 
D) 2.80 M 
E) 0.5 M
F)0.11 M
G)0.60 M 
A) 1.3 M 
B) 0.80 M 
C) 4.4 M 
D) 2.80 M 
E) 0.5 M
F)0.11 M
G)0.60 M

Question 5

An impurity ________ the boiling point of a compound.

Accepted Answer

A)  decreases 
B)  increases 
C)  has no effect on 
D)  One cannot say unless the physical properties of the compound are known. 
A)  decreases 
B)  increases 
C)  has no effect on 
D)  One cannot say unless the physical properties of the compound are known.

Question 6

Solutions are considered to be which general type of matter?

Accepted Answer

A)  homogeneous mixtures 
B)  heterogeneous mixtures 
C)  pure substances 
D)  pure elements 
A)  homogeneous mixtures 
B)  heterogeneous mixtures 
C)  pure substances 
D)  pure elements

Question 7

10.0 mL of 0.50 M HCl solution neutralizes ________ mL of 0.50 M NaOH solution.

Accepted Answer

A)  5.0 
B)  10. 
C)  20. 
D)  40. 
A)  5.0 
B)  10. 
C)  20. 
D)  40.

Question 8

A 2.154 g sample of an unknown non-electrolyte is dissolved in 50. g of water (Kf of water = 1.86 °C∙ kg solvent/mol solute). If the solution freezes at -1.23 °C, the molecular mass of the non-electrolyte is ________.

Accepted Answer

A)  33 
B)  65 
C)  130 
D)  260 
A)  33 
B)  65 
C)  130 
D)  260

Question 9

7.5 g of calcium carbonate in 150 mL of aqueous solution will provide a ________ M solution.

Accepted Answer

A)  0.10 
B)  0.50 
C)  1.0 
D)  2.0 
A)  0.10 
B)  0.50 
C)  1.0 
D)  2.0

Question 10

Which of the following is a solution?

Accepted Answer

A)  air 
B)  amalgam 
C)  metal alloys 
D)  All of the above are solutions. 
A)  air 
B)  amalgam 
C)  metal alloys 
D)  All of the above are solutions.

Question 11

Transparent solutions are examples of homogeneous matter.

Accepted Answer

A) True 
 B)False

Question 12

Phenolphthalein turns ________ when the solution is basic.

Accepted Answer

A)  clear 
B)  blue 
C)  pink 
D)  orange 
A)  clear 
B)  blue 
C)  pink 
D)  orange

Question 13

Match each of the solutions with the corresponding w/w % of that solution.
-2.0 g KBr in 40. g of solution

Accepted Answer

A) 5.0% 
B) 25% 
C) 2.0% 
D) 20.% 
E) 40.%
F)11% 
A) 5.0% 
B) 25% 
C) 2.0% 
D) 20.% 
E) 40.%
F)11%

Question 14

A solid solution is a solution of two metals that are not necessarily evenly distributed in each other.

Accepted Answer

A) True 
 B)False

Question 15

Match each of the aqueous solutions with its corresponding molarity.
-0.60 moles KI in 1.0 L of solution

Accepted Answer

A) 1.3 M 
B) 0.80 M 
C) 4.4 M 
D) 2.80 M 
E) 0.5 M
F)0.11 M
G)0.60 M 
A) 1.3 M 
B) 0.80 M 
C) 4.4 M 
D) 2.80 M 
E) 0.5 M
F)0.11 M
G)0.60 M

Question 16

A mixture is not necessarily a solution.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following is the least water soluble at 50°C?

Accepted Answer

A)  Ce2(SO₄)3 
B)  KBr 
C)  NaNO₃ 
D)  CH₃COONa 
A)  Ce2(SO₄)3 
B)  KBr 
C)  NaNO₃ 
D)  CH₃COONa

Question 18

Match each sodium salt solution with its corresponding number of sodium ion moles.
-100 mL of 0.2 M sodium phosphate solution

Accepted Answer

A) 0.04 
B) 0.02 
C) 0.06 
A) 0.04 
B) 0.02 
C) 0.06

Question 19

Match each sodium salt solution with its corresponding number of sodium ion moles.
-100 mL of 0.2 M sodium nitrate solution

Accepted Answer

A) 0.04 
B) 0.02 
C) 0.06 
A) 0.04 
B) 0.02 
C) 0.06

Question 20

To prepare 100 mL of 0.4 M HCl solution from a stock solution of 2 M HCl solution one needs to ________.

Accepted Answer

A)  dilute 20 mL of 2 M HCl solution with 100 mL of HCl solution. 
B)  dilute 20 mL of 2 M HCl solution with enough water to make a total volume of 100 mL of solution. 
C)  use 500 mL of 2 M HCl solution and boil it down to a final volume of 100 mL of solution. 
D)  dilute 80 mL of 2 M HCl solution to a total volume of 100 mL of solution. 
A)  dilute 20 mL of 2 M HCl solution with 100 mL of HCl solution. 
B)  dilute 20 mL of 2 M HCl solution with enough water to make a total volume of 100 mL of solution. 
C)  use 500 mL of 2 M HCl solution and boil it down to a final volume of 100 mL of solution. 
D)  dilute 80 mL of 2 M HCl solution to a total volume of 100 mL of solution.

Matching Questions Match each term with its corresponding definition . -micelle

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M ammonium sulfate solution

Alloys are solid solutions.

Match each of the aqueous solutions with its corresponding molarity. -0.50 moles NaOH in 4.5 L of solution

An impurity ________ the boiling point of a compound.

Solutions are considered to be which general type of matter?

10.0 mL of 0.50 M HCl solution neutralizes ________ mL of 0.50 M NaOH solution.

A 2.154 g sample of an unknown non-electrolyte is dissolved in 50. g of water (Kf of water = 1.86 °C∙ kg solvent/mol solute). If the solution freezes at -1.23 °C, the molecular mass of the non-electrolyte is ________.

7.5 g of calcium carbonate in 150 mL of aqueous solution will provide a ________ M solution.

Which of the following is a solution?

Transparent solutions are examples of homogeneous matter.

Phenolphthalein turns ________ when the solution is basic.

Match each of the solutions with the corresponding w/w % of that solution. -2.0 g KBr in 40. g of solution

A solid solution is a solution of two metals that are not necessarily evenly distributed in each other.

Match each of the aqueous solutions with its corresponding molarity. -0.60 moles KI in 1.0 L of solution

A mixture is not necessarily a solution.

Which of the following is the least water soluble at 50°C?

Match each sodium salt solution with its corresponding number of sodium ion moles. -100 mL of 0.2 M sodium phosphate solution

Match each sodium salt solution with its corresponding number of sodium ion moles. -100 mL of 0.2 M sodium nitrate solution

To prepare 100 mL of 0.4 M HCl solution from a stock solution of 2 M HCl solution one needs to ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 12: Solutions

Matching Questions Match each term with its corresponding definition . -micelle

Match each sulfate salt solution with the corresponding number of sulfate ion moles. Assume all salts dissolve in water. -500 mL of 0.0002 M ammonium sulfate solution

Alloys are solid solutions.

Match each of the aqueous solutions with its corresponding molarity. -0.50 moles NaOH in 4.5 L of solution

An impurity ________ the boiling point of a compound.

Solutions are considered to be which general type of matter?

10.0 mL of 0.50 M HCl solution neutralizes ________ mL of 0.50 M NaOH solution.

A 2.154 g sample of an unknown non-electrolyte is dissolved in 50. g of water (Kf of water = 1.86 °C∙ kg solvent/mol solute). If the solution freezes at -1.23 °C, the molecular mass of the non-electrolyte is ________.

7.5 g of calcium carbonate in 150 mL of aqueous solution will provide a ________ M solution.

Which of the following is a solution?

Transparent solutions are examples of homogeneous matter.

Phenolphthalein turns ________ when the solution is basic.

Match each of the solutions with the corresponding w/w % of that solution. -2.0 g KBr in 40. g of solution

A solid solution is a solution of two metals that are not necessarily evenly distributed in each other.

Match each of the aqueous solutions with its corresponding molarity. -0.60 moles KI in 1.0 L of solution

A mixture is not necessarily a solution.

Which of the following is the least water soluble at 50°C?

Match each sodium salt solution with its corresponding number of sodium ion moles. -100 mL of 0.2 M sodium phosphate solution

Match each sodium salt solution with its corresponding number of sodium ion moles. -100 mL of 0.2 M sodium nitrate solution

To prepare 100 mL of 0.4 M HCl solution from a stock solution of 2 M HCl solution one needs to ________.

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

When Reactants Turn Into Products

Chemical Equilibrium

Electrolytes, Acids, and Bases

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters