Question 1

What name is given to the major component in a solution?

Accepted Answer

A)  Supersaturated
B)  Solute
C)  Saturated
D)  Unsaturated
E)  SolventF) B) and E)
G) All of the above

Question 2

Which is most soluble in CCl4?

Accepted Answer

A)  NaCl
B)  H2O
C)  NaOH
D)  C8H18
E)  CH3OHF) B) and C)
G) A) and C)

Question 3

Which one of the following substances is the strongest electrolyte?

Accepted Answer

A)  CO
B)  CH3Cl
C)  CH4
D)  C2H5OH
E)  HClF) All of the above
G) A) and D)

Question 4

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

Accepted Answer

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

Question 5

Which of these compounds is a strong electrolyte?

Accepted Answer

A)  H2O
B)  O2
C)  H2SO4
D)  C6H12O6 (glucose) 
E)  CH3COOH (acetic acid) F) A) and B)
G) A) and D)

Question 6

What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?

Accepted Answer

A)  0.28 M
B)  0.91 M
C)  1.1 M
D)  3.1 M
E)  3.9 MF) B) and E)
G) B) and D)

Question 7

Which substance is present in the largest proportion in a solution?

Accepted Answer

A)  salute
B)  gas
C)  solvent
D)  solid
E)  soluteF) A) and E)
G) A) and D)

Question 8

Below is a diagram representing a solvent A(l) in a 1-L beaker,and a solute X dissolved in the solvent.Solvent A has a density of 0.8 g/mL,and a molar mass of 40 g/mol. Solute X has a molar mass of 30 g/mol.Each circle of X represents 1 mol of X.Assume that the solute addition does not significantly change the volume of liquid in the beaker.  What is the mole fraction of the solute X in this solution?

Accepted Answer

A)  0.67
B)  0.53
C)  0.27
D)  0.21
E)  0.04F) B) and D)
G) All of the above

Question 9

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) All of the above
G) A) and B)

Question 10

The mixing of solvent molecules and solute molecules is usually described as

Accepted Answer

A)  the separation energy.
B)  the heat of solvation.
C)  an endothermic process.
D)  an exothermic process.
E)  the heat of solution.F) D) and E)
G) B) and C)

Question 11

Barbiturates are synthetic drugs used as sedatives and hypnotics.Barbital (184.2g/mol) is one of the simplest of these drugs.What is the boiling point of a solution prepared by dissolving 42.5 g of barbital in 825 g of acetic acid? (For pure acetic acid,Kb = 3.07°C/m; boiling point of pure acetic acid = 117.9°C)

Accepted Answer

A)  117.0°C
B)  117.7°C
C)  118.1°C
D)  118.8°C
E)  120.4°CF) B) and D)
G) All of the above

Question 12

Calcium nitrite is used as a corrosion inhibitor in lubricants.What is the molality of a solution prepared by dissolving 18.5 g of calcium nitrite in 83.5 g of distilled water?

Accepted Answer

A)  0.181 m
B)  0.222 m
C)  0.596 m
D)  1.35 m
E)  1.68 mF) A) and B)
G) C) and D)

Question 13

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) C) and E)
G) B) and C)

Question 14

What is the freezing point of a solution made from 22.0 g of octane (C8H18) dissolved in 148.0 g of benzene? (For benzene,freezing point = 5.50°C; Kf = 5.12°C/m)

Accepted Answer

A)  -1.16°C
B)  0.98°C
C)  6.66°C
D)  12.2°C
E)  5.49°CF) B) and E)
G) C) and D)

Question 15

What is defined as a solution that has a higher concentration of dissolved substances than plasma?

Accepted Answer

A)  Hypotonic
B)  Hypertonic
C)  Aplasmic
D)  Plasmic
E)  ColloidalF) B) and E)
G) A) and B)

Question 16

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

Accepted Answer

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

Question 17

The distinguishing characteristic of all nonelectrolyte solutions is that they

Accepted Answer

A)  contain ions.
B)  do not conduct electricity.
C)  react with other solutions.
D)  always contain acids.
E)  conducts heat.F) None of the above
G) D) and E)

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

What is the name given to a solution that contains less solute than it has the capacity to dissolve?

Accepted Answer

A)  Unsaturated
B)  Saturated
C)  Solvented
D)  Oversaturated
E)  SupersaturatedF) B) and C)
G) A) and E)

Question 20

What is the value for the van't Hoff factor for all nonelectrolytes?

Accepted Answer

A)  -1
B)  0
C)  1
D)  ½
E)  -½F) C) and E)
G) C) and D)

Exam 13: Physical Properties of Solutions

What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?

Correct Answer
verified

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

Correct Answer
verified

What is defined as a solution that has a higher concentration of dissolved substances than plasma?

Correct Answer
verified

What name is given to the major component in a solution?

Correct Answer
verified

The mixing of solvent molecules and solute molecules is usually described as

Correct Answer
verified

Which is most soluble in CCl₄?

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 freezing point of a solution made from 22.0 g of octane (C₈H₁₈) dissolved in 148.0 g of benzene? (For benzene,freezing point = 5.50°C; K_f = 5.12°C/m)

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 name is given to a minor component in a solution?

Correct Answer
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Which substance is present in the largest proportion in a solution?

Correct Answer
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Which of these compounds is a strong electrolyte?

Correct Answer
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Correct Answer
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What is the value for the van't Hoff factor for all nonelectrolytes?

Correct Answer
verified

The distinguishing characteristic of all nonelectrolyte solutions is that they

Correct Answer
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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

Which one of the following substances is the strongest electrolyte?

Correct Answer
verified

Correct Answer
verified

Calcium nitrite is used as a corrosion inhibitor in lubricants.What is the molality of a solution prepared by dissolving 18.5 g of calcium nitrite in 83.5 g of distilled water?

Correct Answer
verified

What is the name given to a solution that contains less solute than it has the capacity to dissolve?

Correct Answer
verified

Exam 13: Physical Properties of Solutions

What is the molarity of a solution prepared by diluting 1.85 L of 6.5 M KOH to 11.0 L?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is defined as a solution that has a higher concentration of dissolved substances than plasma?

Correct AnswerverifiedShow Answer

What name is given to the major component in a solution?

Correct AnswerverifiedShow Answer

The mixing of solvent molecules and solute molecules is usually described as

Correct AnswerverifiedShow Answer

Which is most soluble in CCl4?

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 freezing point of a solution made from 22.0 g of octane (C8H18) dissolved in 148.0 g of benzene? (For benzene,freezing point = 5.50°C; Kf = 5.12°C/m)

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 name is given to a minor component in a solution?

Correct AnswerverifiedShow Answer

Which substance is present in the largest proportion in a solution?

Correct AnswerverifiedShow Answer

Which of these compounds is a strong electrolyte?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the value for the van't Hoff factor for all nonelectrolytes?

Correct AnswerverifiedShow Answer

The distinguishing characteristic of all nonelectrolyte solutions is that they

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

Which one of the following substances is the strongest electrolyte?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Calcium nitrite is used as a corrosion inhibitor in lubricants.What is the molality of a solution prepared by dissolving 18.5 g of calcium nitrite in 83.5 g of distilled water?

Correct AnswerverifiedShow Answer

What is the name given to a solution that contains less solute than it has the capacity to dissolve?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Which is most soluble in CCl₄?

Correct Answer
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Correct Answer
verified

What is the freezing point of a solution made from 22.0 g of octane (C₈H₁₈) dissolved in 148.0 g of benzene? (For benzene,freezing point = 5.50°C; K_f = 5.12°C/m)

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

Correct Answer
verified

Correct Answer
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Correct Answer
verified

Correct Answer
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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
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Correct Answer
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Correct Answer
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Correct Answer
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