Question 1

What term is used to describe a solution of lower osmolarity compared to one with a higher osmolarity?

Accepted Answer

A) hyposmotic 
B) hypertonic 
C) isotonic 
D) isosmotic 
E) hypotonic 
A) hyposmotic 
B) hypertonic 
C) isotonic 
D) isosmotic 
E) hypotonic

Question 2

Which of the following properly describes a colligative property of a solution?

Accepted Answer

A) a solution property that depends on the identity of the solute particles present 
B) a solution property that depends on the electrical charges of the solute particles present 
C) a solution property that depends on the concentration of solute particles present 
D) a solution property that depends on the pressure of the solute particles present 
E) a solution property that depends on the concentration, identity, and pressure of the solute particles present 
A) a solution property that depends on the identity of the solute particles present 
B) a solution property that depends on the electrical charges of the solute particles present 
C) a solution property that depends on the concentration of solute particles present 
D) a solution property that depends on the pressure of the solute particles present 
E) a solution property that depends on the concentration, identity, and pressure of the solute particles present

Question 3

One liter of alcohol combined with one liter of water does NOT produce two liters of solution.

Accepted Answer

A) True 
 B)False

Question 4

How are 0.15 M NaCl, 0.30 M glucose, and intracellular fluids similar?

Accepted Answer

A) They are all saturated. 
B) They are all hypotonic. 
C) They are all hypertonic. 
D) They are all isotonic. 
E) They are all supersaturated. 
A) They are all saturated. 
B) They are all hypotonic. 
C) They are all hypertonic. 
D) They are all isotonic. 
E) They are all supersaturated.

Question 5

What term describes a solution in which the solute concentration exceeds its equilibrium concentration under the prevailing conditions?

Accepted Answer

A) hypotonic 
B) hypertonic 
C) isotonic 
D) supersaturated 
E) saturated 
A) hypotonic 
B) hypertonic 
C) isotonic 
D) supersaturated 
E) saturated

Question 6

What is the molarity of a solution prepared by diluting 10.0 mL of 18.0 M HCl with enough water to make 500.0 mL of solution?

Accepted Answer

A) 0.360 M 
B) 1.80 M 
C) 9.25 M 
D) 1.11 M 
E) 2.27 M 
A) 0.360 M 
B) 1.80 M 
C) 9.25 M 
D) 1.11 M 
E) 2.27 M

Question 7

If the concentration of Mg2+ in solution is 3.0 × 10-3 M, what is its concentration expressed in meq/L?

Accepted Answer

A) 6.0 meq/L 
B) 3.0 meq/L 
C) 1.5 meq/L 
D) 6.0 × 10-6 meq/L 
E) 1.5 × 10-6 meq/L 
A) 6.0 meq/L 
B) 3.0 meq/L 
C) 1.5 meq/L 
D) 6.0 × 10-6 meq/L 
E) 1.5 × 10-6 meq/L

Question 8

Which statement concerning solution concentration is TRUE?

Accepted Answer

A) A 1.0 ppm solution is more concentrated than a 1.0% (m/m) solution. 
B) The ppm unit of concentration is typically used for very high concentrated solutions. 
C) If a solution is 12% (m/m) it will also be 12% (m/V). 
D) If a bottle is labeled 0.10 M Ba(OH)2, the concentration of OH- ions in solution is 0.20 M. 
E) A solution that is 1 ppt is less concentrated than a solution that is 1 ppm. 
A) A 1.0 ppm solution is more concentrated than a 1.0% (m/m) solution. 
B) The ppm unit of concentration is typically used for very high concentrated solutions. 
C) If a solution is 12% (m/m) it will also be 12% (m/V). 
D) If a bottle is labeled 0.10 M Ba(OH)2, the concentration of OH- ions in solution is 0.20 M. 
E) A solution that is 1 ppt is less concentrated than a solution that is 1 ppm.

Question 9

An alloy, such as brass, is an example of a solution in the solid state.

Accepted Answer

A) True 
 B)False

Question 10

What term describes a solution that is in equilibrium with undissolved solute?

Accepted Answer

A) precipitating 
B) aqueous 
C) saturated 
D) unsaturated 
E) supersaturated 
A) precipitating 
B) aqueous 
C) saturated 
D) unsaturated 
E) supersaturated

Question 11

What happens when a hypotonic solution is separated from a hypertonic solution by an osmotic membrane?

Accepted Answer

A) Water molecules move from the hypotonic solution to the hypertonic solution. 
B) Solute molecules move from the hypertonic solution to the hypotonic solution. 
C) Water molecules move from the hypertonic solution to the hypotonic solution. 
D) Solute molecules move from the hypotonic solution to the hypertonic solution. 
E) No net movement of solvent or solute molecules occurs, because the osmotic pressure on both sides is equal. 
A) Water molecules move from the hypotonic solution to the hypertonic solution. 
B) Solute molecules move from the hypertonic solution to the hypotonic solution. 
C) Water molecules move from the hypertonic solution to the hypotonic solution. 
D) Solute molecules move from the hypotonic solution to the hypertonic solution. 
E) No net movement of solvent or solute molecules occurs, because the osmotic pressure on both sides is equal.

Question 12

What is the boiling point of a 1.5 m solution of NaCl? [kb = 0.52°C/m]

Accepted Answer

A) 100.78°C 
B) 99.22°C 
C) 98.44°C 
D) 100.52°C 
E) 101.56°C 
A) 100.78°C 
B) 99.22°C 
C) 98.44°C 
D) 100.52°C 
E) 101.56°C

Question 13

In normal room lighting, the eye cannot distinguish a solution from a colloidal one.

Accepted Answer

A) True 
 B)False

Question 14

Which statement concerning solutions is FALSE?

Accepted Answer

A) Colloidal suspensions are solutions. 
B) Solutions consist of solutes and solvents. 
C) Solutions can have the solid, liquid, or gas state. 
D) Solutions are homogeneous mixtures. 
E) Solutes can be ionic or covalent. 
A) Colloidal suspensions are solutions. 
B) Solutions consist of solutes and solvents. 
C) Solutions can have the solid, liquid, or gas state. 
D) Solutions are homogeneous mixtures. 
E) Solutes can be ionic or covalent.

Question 15

Which diagram best represents the composition of an aqueous calcium chloride (CaCl2) solution? (water molecules are not shown)

Accepted Answer

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

Question 16

How many grams of KCl are present in 250.0 mL of a 0.125 M solution? [Molar mass: KCl, 74.55 g/mol]

Accepted Answer

A) 9.32 g KCl 
B) 0.0268 g KCl 
C) 37.3 g KCl 
D) 0.146 g KCl 
E) 2.33 g KCl 
A) 9.32 g KCl 
B) 0.0268 g KCl 
C) 37.3 g KCl 
D) 0.146 g KCl 
E) 2.33 g KCl

Question 17

If a solvent is colorless, all of its solutions will also be colorless.

Accepted Answer

A) True 
 B)False

Question 18

The solubility of gases in liquids is highest at

Accepted Answer

A) low temperature and low pressure. 
B) low temperature and high pressure. 
C) high temperature and low pressure. 
D) high temperature and high pressure. 
E) high pressure; temperature is immaterial. 
A) low temperature and low pressure. 
B) low temperature and high pressure. 
C) high temperature and low pressure. 
D) high temperature and high pressure. 
E) high pressure; temperature is immaterial.

Question 19

The solubility of KBr at 20°C is 60 g/100 g H2O.Increasing the pressure above the solution will significantly increase the solubility of KBr.

Accepted Answer

A) True 
 B)False

Question 20

Enough water is added to 50.0 mL of a 0.660 M NaOH solution in order to bring the total volume to 450.0 mL.What is the molarity of this diluted solution?

Accepted Answer

A) 0.0330 M 
B) 0.0733 M 
C) 0.594 M 
D) 5.94 M 
E) 0.660 M; the molarity remains unchanged if only solvent is added. 
A) 0.0330 M 
B) 0.0733 M 
C) 0.594 M 
D) 5.94 M 
E) 0.660 M; the molarity remains unchanged if only solvent is added.

Exam 6: Solutions

What term is used to describe a solution of lower osmolarity compared to one with a higher osmolarity?

Which of the following properly describes a colligative property of a solution?

One liter of alcohol combined with one liter of water does NOT produce two liters of solution.

How are 0.15 M NaCl, 0.30 M glucose, and intracellular fluids similar?

What term describes a solution in which the solute concentration exceeds its equilibrium concentration under the prevailing conditions?

What is the molarity of a solution prepared by diluting 10.0 mL of 18.0 M HCl with enough water to make 500.0 mL of solution?

If the concentration of Mg2+ in solution is 3.0 × 10-3 M, what is its concentration expressed in meq/L?

Which statement concerning solution concentration is TRUE?

An alloy, such as brass, is an example of a solution in the solid state.

What term describes a solution that is in equilibrium with undissolved solute?

What happens when a hypotonic solution is separated from a hypertonic solution by an osmotic membrane?

What is the boiling point of a 1.5 m solution of NaCl? [kb = 0.52°C/m]

In normal room lighting, the eye cannot distinguish a solution from a colloidal one.

Which statement concerning solutions is FALSE?

Which diagram best represents the composition of an aqueous calcium chloride (CaCl2) solution? (water molecules are not shown)

How many grams of KCl are present in 250.0 mL of a 0.125 M solution? [Molar mass: KCl, 74.55 g/mol]

If a solvent is colorless, all of its solutions will also be colorless.

The solubility of gases in liquids is highest at

The solubility of KBr at 20°C is 60 g/100 g H2O.Increasing the pressure above the solution will significantly increase the solubility of KBr.

Enough water is added to 50.0 mL of a 0.660 M NaOH solution in order to bring the total volume to 450.0 mL.What is the molarity of this diluted solution?

Chemistry:methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

If the concentration of Mg²⁺ in solution is 3.0 × 10^-3 M, what is its concentration expressed in meq/L?

What is the boiling point of a 1.5 m solution of NaCl? [k_b = 0.52°C/m]

Which diagram best represents the composition of an aqueous calcium chloride (CaCl₂) solution? (water molecules are not shown)

The solubility of KBr at 20°C is 60 g/100 g H₂O.Increasing the pressure above the solution will significantly increase the solubility of KBr.