Question 1

Which is immiscible with water?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) A) and B)
G) A) and C)

Question 2

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

Accepted Answer

A)   precipitation
B)   combustion
C)   solubility
D)   super saturation
E)   dilutionF) None of the above
G) A) and D)

Question 3

Which accurately characterizes all nonelectrolyte solutions?

Accepted Answer

A)   Nonelectrolyte solutions contain molecules.
B)   Nonelectrolyte solutions conduct electricity.
C)   Nonelectrolyte solutions react with other solutions.
D)   Nonelectrolyte solutions do not conduct electricity.
E)   Nonelectrolyte solutions conduct heat.F) B) and D)
G) A) and B)

Question 4

What is the name for a solute that does not exert a vapor pressure when it is dissolved in a liquid?

Accepted Answer

A)   Colloid
B)   Amorphous solid
C)   Nonvolatile
D)   Crystalline solid
E)   ElectrolyteF) C) and D)
G) A) and D)

Question 5

What is the percent CsCl by mass in a 0.711 M aqueous CsCl solution that has a density of 1.091 g/mL?

Accepted Answer

A)   1.53%
B)   3.87 × 10-1%
C)   11.0%
D)   12.0%
E)   65.2%F) A) and E)
G) A) and B)

Question 6

The solubility of gases in water always decreases with increasing temperature.

Accepted Answer

A) True 
 B)False

Question 7

A 0.100 m K2SO4 solution has a freezing point of -0.43°C. What is the van't Hoff factor for this solution? (Kf = 1.86°C/m)

Accepted Answer

A)   0.77
B)   1.0
C)   2.3
D)   3.0
E)   3.7F) B) and D)
G) A) and D)

Question 8

The distinguishing characteristic of all electrolyte solutions is that they

Accepted Answer

A)   contain molecules.
B)   conduct electricity.
C)   react with other solutions.
D)   always contain acids.
E)   conduct heat.F) A) and B)
G) A) and C)

Question 9

Calculate the molality of a 20.0% by mass ammonium sulfate (NH4) 2SO4 solution. The density of the solution is 1.117 g/mL.

Accepted Answer

A)   0.151 m
B)   0.200 m
C)   0.223 m
D)   1.51 m
E)   1.89 mF) B) and C)
G) A) and B)

Question 10

What name is given to a minor component in a solution?

Accepted Answer

A)   Solvent
B)   Unsaturated
C)   Saturated
D)   Solute
E)   SupersaturatedF) D) and E)
G) A) and B)

Question 11

A 0.100 m MgSO4 solution has a freezing point of -0.23°C. What is the van't Hoff factor for this solution? (Kf = 1.86°C/m)

Accepted Answer

A)   0.62
B)   1.0
C)   1.2
D)   2.0
E)   4.0F) A) and E)
G) C) and E)

Question 12

The osmotic pressure of a 0.010 M MgSO4 solution at 25°C is 0.318 atm. Calculate i, the van't Hoff factor, for this MgSO4 solution. (R = 0.08206 L • atm/K • mol)

Accepted Answer

A)   0.013
B)   1.3
C)   1.5
D)   2.0
E)   76.8F) A) and C)
G) A) and E)

Question 13

Benzaldehyde (106.12 g/mol) , also known as oil of almonds, is used in the manufacture of dyes and perfumes and in flavorings. What would be the freezing point of a solution prepared by dissolving 75.00 g of benzaldehyde in 850.0 g of ethanol? (For ethanol, Kf = 1.99°C/m; freezing point of pure ethanol = -117.3°C)

Accepted Answer

A)   -117.5°C
B)   -118.7°C
C)   -119.0°C
D)   -120.6°C
E)   -121.1°CF) A) and D)
G) A) and E)

Question 14

Select the strongest electrolyte from the following set.

Accepted Answer

A)   CH3CH2OH, ethanol
B)   LiNO3
C)   C6H12O6, glucose
D)   CCl4
E)   HFF) C) and E)
G) B) and E)

Question 15

Colloidal particles may be solids, liquids, or gases.

Accepted Answer

A) True 
 B)False

Question 16

What is the percent CdSO4 by mass in a 1.00 molal aqueous CdSO4 solution?

Accepted Answer

A)   0.001%
B)   0.10%
C)   17.2%
D)   20.8%
E)   24.4%F) None of the above
G) A) and C)

Question 17

Copper(II)  bromide is used as a wood preservative. What mass of CuBr2 is needed to prepare 750.0 mL of a 1.25 M solution?

Accepted Answer

A)   134 g
B)   209 g
C)   372 g
D)   750 g
E)   938 gF) B) and C)
G) A) and C)

Question 18

The osmotic pressure of a 0.82 M HCl solution is 35.9 atm at 18°C. The van't Hoff factor for HCl at this concentration is

Accepted Answer

A)   1.8.
B)   17.2.
C)   1.5.
D)   2.00.E) A) and B)
F) B) and C)

Question 19

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, Kf = 1.86°C/m; Kb = 0.52°C/m)

Accepted Answer

A)   2.5°C
B)   -2.5°C
C)   -0.70°C
D)   0.70°C
E)   -8.9°CF) A) and E)
G) A) and D)

Question 20

Gases with high boiling points tend to be more soluble in water than ones with low boiling points.

Accepted Answer

A) True 
 B)False

Exam 13: Physical Properties of Solutions

Which is immiscible with water?

Correct Answer
verified

The solubility of gases in water always decreases with increasing temperature.

Correct Answer
verified

A 0.100 m MgSO₄ solution has a freezing point of -0.23°C. What is the van't Hoff factor for this solution? (K_f = 1.86°C/m)

Correct Answer
verified

What is the percent CsCl by mass in a 0.711 M aqueous CsCl solution that has a density of 1.091 g/mL?

Correct Answer
verified

Colloidal particles may be solids, liquids, or gases.

Correct Answer
verified

The distinguishing characteristic of all electrolyte solutions is that they

Correct Answer
verified

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

Correct Answer
verified

Calculate the molality of a 20.0% by mass ammonium sulfate (NH₄) ₂SO₄ solution. The density of the solution is 1.117 g/mL.

Correct Answer
verified

What is the name for a solute that does not exert a vapor pressure when it is dissolved in a liquid?

Correct Answer
verified

Copper(II) bromide is used as a wood preservative. What mass of CuBr₂ is needed to prepare 750.0 mL of a 1.25 M solution?

Correct Answer
verified

A 0.100 m K₂SO₄ solution has a freezing point of -0.43°C. What is the van't Hoff factor for this solution? (K_f = 1.86°C/m)

Correct Answer
verified

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, K_f = 1.86°C/m; K_b = 0.52°C/m)

Correct Answer
verified

The osmotic pressure of a 0.82 M HCl solution is 35.9 atm at 18°C. The van't Hoff factor for HCl at this concentration is

Correct Answer
verified

Which accurately characterizes all nonelectrolyte solutions?

Correct Answer
verified

The osmotic pressure of a 0.010 M MgSO₄ solution at 25°C is 0.318 atm. Calculate i, the van't Hoff factor, for this MgSO₄ solution. (R = 0.08206 L • atm/K • mol)

Correct Answer
verified

What name is given to a minor component in a solution?

Correct Answer
verified

Gases with high boiling points tend to be more soluble in water than ones with low boiling points.

Correct Answer
verified

What is the percent CdSO₄ by mass in a 1.00 molal aqueous CdSO₄ solution?

Correct Answer
verified

Select the strongest electrolyte from the following set.

Correct Answer
verified

Correct Answer
verified

Exam 13: Physical Properties of Solutions

Which is immiscible with water?

Correct AnswerverifiedShow Answer

The solubility of gases in water always decreases with increasing temperature.

Correct AnswerverifiedShow Answer

A 0.100 m MgSO4 solution has a freezing point of -0.23°C. What is the van't Hoff factor for this solution? (Kf = 1.86°C/m)

Correct AnswerverifiedShow Answer

What is the percent CsCl by mass in a 0.711 M aqueous CsCl solution that has a density of 1.091 g/mL?

Correct AnswerverifiedShow Answer

Colloidal particles may be solids, liquids, or gases.

Correct AnswerverifiedShow Answer

The distinguishing characteristic of all electrolyte solutions is that they

Correct AnswerverifiedShow Answer

Which is defined as the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature?

Correct AnswerverifiedShow Answer

Calculate the molality of a 20.0% by mass ammonium sulfate (NH4) 2SO4 solution. The density of the solution is 1.117 g/mL.

Correct AnswerverifiedShow Answer

What is the name for a solute that does not exert a vapor pressure when it is dissolved in a liquid?

Correct AnswerverifiedShow Answer

Copper(II) bromide is used as a wood preservative. What mass of CuBr2 is needed to prepare 750.0 mL of a 1.25 M solution?

Correct AnswerverifiedShow Answer

A 0.100 m K2SO4 solution has a freezing point of -0.43°C. What is the van't Hoff factor for this solution? (Kf = 1.86°C/m)

Correct AnswerverifiedShow Answer

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, Kf = 1.86°C/m; Kb = 0.52°C/m)

Correct AnswerverifiedShow Answer

The osmotic pressure of a 0.82 M HCl solution is 35.9 atm at 18°C. The van't Hoff factor for HCl at this concentration is

Correct AnswerverifiedShow Answer

Which accurately characterizes all nonelectrolyte solutions?

Correct AnswerverifiedShow Answer

The osmotic pressure of a 0.010 M MgSO4 solution at 25°C is 0.318 atm. Calculate i, the van't Hoff factor, for this MgSO4 solution. (R = 0.08206 L • atm/K • mol)

Correct AnswerverifiedShow Answer

What name is given to a minor component in a solution?

Correct AnswerverifiedShow Answer

Gases with high boiling points tend to be more soluble in water than ones with low boiling points.

Correct AnswerverifiedShow Answer

What is the percent CdSO4 by mass in a 1.00 molal aqueous CdSO4 solution?

Correct AnswerverifiedShow Answer

Select the strongest electrolyte from the following set.

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

A 0.100 m MgSO₄ solution has a freezing point of -0.23°C. What is the van't Hoff factor for this solution? (K_f = 1.86°C/m)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Calculate the molality of a 20.0% by mass ammonium sulfate (NH₄) ₂SO₄ solution. The density of the solution is 1.117 g/mL.

Correct Answer
verified

Correct Answer
verified

Copper(II) bromide is used as a wood preservative. What mass of CuBr₂ is needed to prepare 750.0 mL of a 1.25 M solution?

Correct Answer
verified

A 0.100 m K₂SO₄ solution has a freezing point of -0.43°C. What is the van't Hoff factor for this solution? (K_f = 1.86°C/m)

Correct Answer
verified

What is the freezing point of an aqueous solution of NaCl that boils at 102.5°C? (For water, K_f = 1.86°C/m; K_b = 0.52°C/m)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The osmotic pressure of a 0.010 M MgSO₄ solution at 25°C is 0.318 atm. Calculate i, the van't Hoff factor, for this MgSO₄ solution. (R = 0.08206 L • atm/K • mol)

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

What is the percent CdSO₄ by mass in a 1.00 molal aqueous CdSO₄ solution?

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified