Question 1

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) A) and E)
G) A) and D)

Question 2

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) D) and E)
G) A) and B)

Question 3

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 mass percent of solute X in this solution?

Accepted Answer

A)   0.4%
B)   3%
C)   12%
D)   13%
E)   20%F) C) and D)
G) A) and C)

Question 4

The mole fraction of potassium nitrate in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. What is the molarity of KNO3 in the solution?

Accepted Answer

A)   0.0194 M
B)   0.981 M
C)   1.05 M
D)   1.96 M
E)   19.4 MF) A) and B)
G) C) and D)

Question 5

What term describes the process when two liquids are completely soluble in each other in all proportions?

Accepted Answer

A)   Solvation
B)   Miscible
C)   Unsaturated
D)   Saturated
E)   OversaturatedF) D) and E)
G) A) and C)

Question 6

What is the osmotic pressure of a solution prepared from 13.7 g of the electrolyte HCl and enough water to make 0.500 L of solution at 18°C? (R = 0.08206 L • atm/K • mol)

Accepted Answer

A)   0.55 atm
B)   1.10 atm
C)   8.95 atm
D)   17.9 atm
E)   35.9 atmF) A) and C)
G) B) and D)

Question 7

________ is the value for i, the van't Hoff factor, for all nonelectrolytes.

Accepted Answer

The answer of ________ is the value for i, the...

Question 8

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

Accepted Answer

A) True 
 B)False

Question 9

Explain the following, on the basis of osmosis or osmotic pressure: When sprinkled with sugar, a dish of sliced fruit will form its own juice.

Accepted Answer

The water inside the fruit cel...

Question 10

1.00 L of an aqueous solution contains 1.52 g of a nonelectrolyte compound used in antifreeze. If the osmotic pressure of this solution at 20.0°C is 448 torr, calculate the molar mass of the antifreeze compound.

Accepted Answer

The answer of 1.00 L of an aqueous solution contains...

Question 11

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 C)
G) A) and E)

Exam 13: Physical Properties of Solutions

________ is the value for i, the van't Hoff factor, for all nonelectrolytes.

Correct Answer
verified

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

Correct Answer
verified

1.00 L of an aqueous solution contains 1.52 g of a nonelectrolyte compound used in antifreeze. If the osmotic pressure of this solution at 20.0°C is 448 torr, calculate the molar mass of the antifreeze compound.

Correct Answer
verified

Explain the following, on the basis of osmosis or osmotic pressure: When sprinkled with sugar, a dish of sliced fruit will form its own juice.

Correct Answer
verified
The water inside the fruit cel...
View Answer

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

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

Correct Answer
verified

What term describes the process when two liquids are completely soluble in each other in all proportions?

Correct Answer
verified

Correct Answer
verified

What is the osmotic pressure of a solution prepared from 13.7 g of the electrolyte HCl and enough water to make 0.500 L of solution at 18°C? (R = 0.08206 L • atm/K • mol)

Correct Answer
verified

The mole fraction of potassium nitrate in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. What is the molarity of KNO₃ in the solution?

Correct Answer
verified

Exam 13: Physical Properties of Solutions

________ is the value for i, the van't Hoff factor, for all nonelectrolytes.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

1.00 L of an aqueous solution contains 1.52 g of a nonelectrolyte compound used in antifreeze. If the osmotic pressure of this solution at 20.0°C is 448 torr, calculate the molar mass of the antifreeze compound.

Correct AnswerverifiedShow Answer

Explain the following, on the basis of osmosis or osmotic pressure: When sprinkled with sugar, a dish of sliced fruit will form its own juice.

Correct AnswerverifiedThe water inside the fruit cel...View AnswerShow Answer

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

An electrolyte is a substance that dissolves in water to yield a solution that conducts electricity.

Correct AnswerverifiedShow Answer

What term describes the process when two liquids are completely soluble in each other in all proportions?

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

What is the osmotic pressure of a solution prepared from 13.7 g of the electrolyte HCl and enough water to make 0.500 L of solution at 18°C? (R = 0.08206 L • atm/K • mol)

Correct AnswerverifiedShow Answer

The mole fraction of potassium nitrate in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. What is the molarity of KNO3 in the solution?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
The water inside the fruit cel...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The mole fraction of potassium nitrate in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. What is the molarity of KNO₃ in the solution?

Correct Answer
verified