Question 1

Which of the following solutions would you expect not to conduct electricity?

Accepted Answer

A)  NaCl in water 
B)  CO in water 
C)  HCl in water 
D)  H2SO4 in water 
A)  NaCl in water 
B)  CO in water 
C)  HCl in water 
D)  H2SO4 in water

Question 2

Water can serve both as a Bronsted-Lowry acid and Bronsted-Lowry base.

Accepted Answer

A) True 
 B)False

Question 3

What is the pOH of an aqueous solution having a hydrogen-ion concentration of 6.83 × 10-3 mol/L?

Accepted Answer

A)  16.17 
B)  11.83 
C)  2.17 
D)  1.03 
A)  16.17 
B)  11.83 
C)  2.17 
D)  1.03

Question 4

Match each of the acids with the maximum number of H?O+ produced per molecule of acid.
-hydrochloric acid

Accepted Answer

A) 3 
B) 1 
C) 2 
A) 3 
B) 1 
C) 2

Question 5

An electrolyte is a substance that, when dissolved in water, yields a solution that conducts electric current.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following compounds is a non-electrolyte when dissolved in distilled water?

Accepted Answer

A)  sodium chloride 
B)  hydrochloric acid 
C)  sodium hydroxide 
D)  ethyl alcohol 
A)  sodium chloride 
B)  hydrochloric acid 
C)  sodium hydroxide 
D)  ethyl alcohol

Question 7

Identify each of the acids as a strong acid or a weak acid.
-hydrobromic acid

Accepted Answer

A) weak acid 
B) strong acid 
A) weak acid 
B) strong acid

Question 8

Which of the following compounds could be considered an Arrhenius base?

Accepted Answer

A)  HCl 
B)  CH3COOH 
C)  KOH 
D)  HF 
A)  HCl 
B)  CH3COOH 
C)  KOH 
D)  HF

Question 9

Which of the following compounds does not qualify as a Bronsted-Lowry acid?

Accepted Answer

A)  HF 
B)  H₂CO₃ 
C)  H₂ 
D)  H₂O 
A)  HF 
B)  H₂CO₃ 
C)  H₂ 
D)  H₂O

Question 10

Identify each of the substances as an electrolyte or non-electrolyte.
-aqueous sulfuric acid solution

Accepted Answer

A) non-electrolyte 
B) electrolyte 
A) non-electrolyte 
B) electrolyte

Question 11

Arrhenius' definition of a base is an electrolyte that contains a metal and hydroxide ions that dissociate when placed in water.

Accepted Answer

A) True 
 B)False

Question 12

A sodium sulfate solution will not conduct an electric current.

Accepted Answer

A) True 
 B)False

Question 13

The acid in the forward reaction is ________. HCO₃- + H₂O → H₂CO₃ + OH-

Accepted Answer

A)  HCO₃- 
B)  H₂O 
C)  H₂CO₃ 
D)  OH- 
A)  HCO₃- 
B)  H₂O 
C)  H₂CO₃ 
D)  OH-

Question 14

When ammonia is dissolved in water, the ionized species are ________.

Accepted Answer

A)  NH₄+ and OH- 
B)  NH₂- and H+ 
C)  NH₄+ and H- 
D)  NH₂+ and H- 
A)  NH₄+ and OH- 
B)  NH₂- and H+ 
C)  NH₄+ and H- 
D)  NH₂+ and H-

Question 15

Identify each [H?O+] / [OH-] / pH / pOH  as acidic or basic.
-[OH-] = 1.2 × 10-8

Accepted Answer

A) Basic 
B) Acidic 
A) Basic 
B) Acidic

Question 16

Identify the household products as acidic or basic.
-Household ammonia

Accepted Answer

A) Acidic 
B) Basic 
A) Acidic 
B) Basic

Question 17

Identify each [H?O+] / [OH-] / pH / pOH  as acidic or basic.
-pH = 10.24

Accepted Answer

A) Basic 
B) Acidic 
A) Basic 
B) Acidic

Question 18

Which of the following bases produces two OH- ions per formula unit of base when dissolved in water?

Accepted Answer

A)  potassium hydroxide 
B)  calcium hydroxide 
C)  aluminum hydroxide 
D)  ammonia 
A)  potassium hydroxide 
B)  calcium hydroxide 
C)  aluminum hydroxide 
D)  ammonia

Question 19

What is the hydrogen-ion concentration of an aqueous solution having a pH of 4.72?

Accepted Answer

A)  4.72 × 10-5 mol/L 
B)  4.72 mol/L 
C)  0.67 mol/L 
D)  1.91 × 10-5 mol/L 
A)  4.72 × 10-5 mol/L 
B)  4.72 mol/L 
C)  0.67 mol/L 
D)  1.91 × 10-5 mol/L

Question 20

Identify each of the acids as a strong acid or a weak acid.
-acetic acid

Accepted Answer

A) weak acid 
B) strong acid 
A) weak acid 
B) strong acid

Which of the following solutions would you expect not to conduct electricity?

Water can serve both as a Bronsted-Lowry acid and Bronsted-Lowry base.

What is the pOH of an aqueous solution having a hydrogen-ion concentration of 6.83 × 10^-3 mol/L?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -hydrochloric acid

An electrolyte is a substance that, when dissolved in water, yields a solution that conducts electric current.

Which of the following compounds is a non-electrolyte when dissolved in distilled water?

Identify each of the acids as a strong acid or a weak acid. -hydrobromic acid

Which of the following compounds could be considered an Arrhenius base?

Which of the following compounds does not qualify as a Bronsted-Lowry acid?

Identify each of the substances as an electrolyte or non-electrolyte. -aqueous sulfuric acid solution

Arrhenius' definition of a base is an electrolyte that contains a metal and hydroxide ions that dissociate when placed in water.

A sodium sulfate solution will not conduct an electric current.

The acid in the forward reaction is ________. HCO₃- + H₂O → H₂CO₃ + OH-

When ammonia is dissolved in water, the ionized species are ________.

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[OH-] = 1.2 × 10^-8

Identify the household products as acidic or basic. -Household ammonia

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -pH = 10.24

Which of the following bases produces two OH- ions per formula unit of base when dissolved in water?

What is the hydrogen-ion concentration of an aqueous solution having a pH of 4.72?

Identify each of the acids as a strong acid or a weak acid. -acetic acid

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

Exam 15: Electrolytes, Acids, and Bases

Which of the following solutions would you expect not to conduct electricity?

Water can serve both as a Bronsted-Lowry acid and Bronsted-Lowry base.

What is the pOH of an aqueous solution having a hydrogen-ion concentration of 6.83 × 10-3 mol/L?

Match each of the acids with the maximum number of H?O+ produced per molecule of acid. -hydrochloric acid

An electrolyte is a substance that, when dissolved in water, yields a solution that conducts electric current.

Which of the following compounds is a non-electrolyte when dissolved in distilled water?

Identify each of the acids as a strong acid or a weak acid. -hydrobromic acid

Which of the following compounds could be considered an Arrhenius base?

Which of the following compounds does not qualify as a Bronsted-Lowry acid?

Identify each of the substances as an electrolyte or non-electrolyte. -aqueous sulfuric acid solution

Arrhenius' definition of a base is an electrolyte that contains a metal and hydroxide ions that dissociate when placed in water.

A sodium sulfate solution will not conduct an electric current.

The acid in the forward reaction is ________. HCO₃- + H₂O → H₂CO₃ + OH-

When ammonia is dissolved in water, the ionized species are ________.

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[OH-] = 1.2 × 10-8

Identify the household products as acidic or basic. -Household ammonia

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -pH = 10.24

Which of the following bases produces two OH- ions per formula unit of base when dissolved in water?

What is the hydrogen-ion concentration of an aqueous solution having a pH of 4.72?

Identify each of the acids as a strong acid or a weak acid. -acetic acid

What Is Chemistry

The Numerical Side of Chemistry

The Evolution of Atomic Theory

The Modern Model of the Atom

Chemical Bonding and Nomenclature

The Shape of Molecules

Intermolecular Forces and the Phases of Matter

Chemical Reactions

Stoichiometry and the Mole

Electron Transfer in Chemical Reactions

What If There Were No Intermolecular Forces - the Ideal Gas

Solutions

When Reactants Turn Into Products

Chemical Equilibrium

Nuclear Chemistry

The Chemistry of Carbon

Synthetic and Biological Polymers

Filters

What is the pOH of an aqueous solution having a hydrogen-ion concentration of 6.83 × 10^-3 mol/L?

Identify each [H?O+] / [OH-] / pH / pOH as acidic or basic. -[OH-] = 1.2 × 10^-8