Question 1

Nonpolar compounds are soluble in nonpolar solvents and insoluble in polar solvents.

Accepted Answer

A) True 
 B)False  True

Question 2

The solubility of KI in water at 20 °C is 140 g KI/100 g H2O. If 160 g of KI is mixed with 150 g of water, all of the KI will dissolve and the solution that results will be unsaturated.

Accepted Answer

A) True 
 B)False  True

Question 3

All nonvolatile solutes are ionic compounds that do not readily escape into the vapor phase, and thus they have a negligible vapor pressure at a given temperature.

Accepted Answer

A) True 
 B)False  False

Question 4

Which is not an example of a solution?

Accepted Answer

A) a dental filling 
B) chicken noodle soup 
C) gasoline 
D) tap water 
A) a dental filling 
B) chicken noodle soup 
C) gasoline 
D) tap water

Question 5

If cells are placed in a hypertonic solution,

Accepted Answer

A) water diffuses out of the cells and the cells shrink in a process called hemolysis. 
B) water diffuses out of the cells and the cells shrink in a process called crenation. 
C) water diffuses into the cells and the cells swell and eventually burst in a process called hemolysis. 
D) water diffuses into the cells and the cells swell and eventually burst in a process called crenation. 
A) water diffuses out of the cells and the cells shrink in a process called hemolysis. 
B) water diffuses out of the cells and the cells shrink in a process called crenation. 
C) water diffuses into the cells and the cells swell and eventually burst in a process called hemolysis. 
D) water diffuses into the cells and the cells swell and eventually burst in a process called crenation.

Question 6

Which of the following statements concerning solution concentration is NOT true?

Accepted Answer

A) An unsaturated solution contains less than the maximum amount of solute that can be dissolved in the solvent. 
B) A saturated solution contains more than 100 g of dissolved solute. 
C) A solution can be made less concentrated by adding additional solvent. 
D) The number of moles of solute present in exactly one liter of solution is referred to as the solution's molarity. 
A) An unsaturated solution contains less than the maximum amount of solute that can be dissolved in the solvent. 
B) A saturated solution contains more than 100 g of dissolved solute. 
C) A solution can be made less concentrated by adding additional solvent. 
D) The number of moles of solute present in exactly one liter of solution is referred to as the solution's molarity.

Question 7

If the attractive forces between the ions and water are stronger than the attraction between the ions in the crystal, an ionic compound dissolves in water.

Accepted Answer

A) True 
 B)False

Question 8

A particular wine contains 11.2% (v/v)ethanol. What volume of ethanol is in a 750.-mL bottle of this wine?

Accepted Answer

A) 84.0 mL ethanol 
B) 0.840 mL ethanol 
C) 6.70 mL ethanol 
D) 14.9 mL ethanol 
A) 84.0 mL ethanol 
B) 0.840 mL ethanol 
C) 6.70 mL ethanol 
D) 14.9 mL ethanol

Question 9

Which compound will be the most soluble in water?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

Pure water has an osmotic pressure of 1 atm.

Accepted Answer

A) True 
 B)False

Question 11

Which compound will be the least soluble in water?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 12

When two substances form a solution, the substance present in the lesser amount is called the _____, and the substance present in the larger amount is the _____.

Accepted Answer

The answer of When two substances form a solution, the...

Question 13

Which solution contains the smallest number of moles of sucrose (C12H22O11, molar mass = 342.30 g/mol)?

Accepted Answer

A) 2, 000 mL of a 5.0 × 10-5% (w/v)sucrose solution 
B) 2, 000 mL of a 5.0 ppm sucrose solution 
C) 20 mL of a 5.0 M sucrose solution 
D) All of the solutions above contain the same number of moles of sucrose. 
A) 2, 000 mL of a 5.0 × 10-5% (w/v)sucrose solution 
B) 2, 000 mL of a 5.0 ppm sucrose solution 
C) 20 mL of a 5.0 M sucrose solution 
D) All of the solutions above contain the same number of moles of sucrose.

Question 14

Each day, the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. This corresponds to _____ grams of HCl each week.

Accepted Answer

The answer of Each day, the stomach produces 2.0 L...

Question 15

Sodium chloride is soluble in nonpolar solvents such as octane (C8H18).

Accepted Answer

A) True 
 B)False

Question 16

What is the molarity of a solution made by dissolving 4.88 g of KCl in 423 mL of solution?

Accepted Answer

A) 0.0115 M KCl 
B) 11.5 M KCl 
C) 1.55 × 10-4 M KCl 
D) 0.155 M KCl 
A) 0.0115 M KCl 
B) 11.5 M KCl 
C) 1.55 × 10-4 M KCl 
D) 0.155 M KCl

Question 17

What is the molarity of a solution made by dissolving 36.29 g of NaCl in 2.30 L of solution?

Accepted Answer

A) 15.78 M NaCl 
B) 0.0634 M NaCl 
C) 0.270 M NaCl 
D) 2.70 M NaCl 
A) 15.78 M NaCl 
B) 0.0634 M NaCl 
C) 0.270 M NaCl 
D) 2.70 M NaCl

Question 18

The boiling point of a solution that contains 0.64 mol of Mg(NO3)2 in 1.00 kg of water is 100.98 °C.

Accepted Answer

A) True 
 B)False

Question 19

Ringer's solution is an aqueous solution of NaCl, KCl, and CaCl2 that is used for treating burns and wounds. The solvent in this solution is _____ .

Accepted Answer

Question 20

The greater the number of dissolved particles in a solution, the lower the solution's osmotic pressure.

Accepted Answer

A) True 
 B)False

Exam 8: Solutions

Nonpolar compounds are soluble in nonpolar solvents and insoluble in polar solvents.

The solubility of KI in water at 20 °C is 140 g KI/100 g H2O. If 160 g of KI is mixed with 150 g of water, all of the KI will dissolve and the solution that results will be unsaturated.

All nonvolatile solutes are ionic compounds that do not readily escape into the vapor phase, and thus they have a negligible vapor pressure at a given temperature.

Which is not an example of a solution?

If cells are placed in a hypertonic solution,

Which of the following statements concerning solution concentration is NOT true?

If the attractive forces between the ions and water are stronger than the attraction between the ions in the crystal, an ionic compound dissolves in water.

A particular wine contains 11.2% (v/v)ethanol. What volume of ethanol is in a 750.-mL bottle of this wine?

Which compound will be the most soluble in water?

Pure water has an osmotic pressure of 1 atm.

Which compound will be the least soluble in water?

When two substances form a solution, the substance present in the lesser amount is called the _____, and the substance present in the larger amount is the _____.

Which solution contains the smallest number of moles of sucrose (C12H22O11, molar mass = 342.30 g/mol)?

Each day, the stomach produces 2.0 L of gastric juice that contains 0.10 M HCl. This corresponds to _____ grams of HCl each week.

Sodium chloride is soluble in nonpolar solvents such as octane (C8H18).

What is the molarity of a solution made by dissolving 4.88 g of KCl in 423 mL of solution?

What is the molarity of a solution made by dissolving 36.29 g of NaCl in 2.30 L of solution?

The boiling point of a solution that contains 0.64 mol of Mg(NO3)2 in 1.00 kg of water is 100.98 °C.

Ringer's solution is an aqueous solution of NaCl, KCl, and CaCl2 that is used for treating burns and wounds. The solvent in this solution is _____ .

The greater the number of dissolved particles in a solution, the lower the solution's osmotic pressure.

Matter and Measurement

Atoms and the Periodic Table

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes, Reaction Rates, and Equilibrium

Gases, Liquids, and Solids

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen, Halogen, or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids, Esters, and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids, Proteins, and Enzymes

Nucleic Acids and Protein Synthesis

Digestion and the Conversion of Food Into Energy

Carbohydrate, Lipid, and Protein Metabolism

Filters

The solubility of KI in water at 20 °C is 140 g KI/100 g H₂O. If 160 g of KI is mixed with 150 g of water, all of the KI will dissolve and the solution that results will be unsaturated.

When two substances form a solution, the substance present in the lesser amount is called the _, and the substance present in the larger amount is the _.

Which solution contains the smallest number of moles of sucrose (C₁₂H₂₂O₁₁, molar mass = 342.30 g/mol)?

Sodium chloride is soluble in nonpolar solvents such as octane (C₈H₁₈).

The boiling point of a solution that contains 0.64 mol of Mg(NO₃)₂ in 1.00 kg of water is 100.98 °C.

Ringer's solution is an aqueous solution of NaCl, KCl, and CaCl₂ that is used for treating burns and wounds. The solvent in this solution is _____ .