Question 1

List the compound that is formed from the reaction of carbon dioxide with water.

Accepted Answer

The answer of List the compound that is formed from...

Question 2

What is the hydronium ion concentration of a 0.500 M acetic acid solution with Ka = 1.8 × 10-5? The equation for the dissociation of acetic acid is:
CH3CO2H(aq)+ H2O(l)⇌ H3O+(aq)+ CH3CO2-(aq)

Accepted Answer

A)  3.0 × 10-2 M 
B)  4.2 × 10-2 M 
C)  3.0 × 10-3 M 
D)  4.2 × 10-3 M 
A)  3.0 × 10-2 M 
B)  4.2 × 10-2 M 
C)  3.0 × 10-3 M 
D)  4.2 × 10-3 M

Question 3

Determine the pH of a 0.741 M LiOH solution at 25°C.

Accepted Answer

A)  0.130 
B)  13.87 
C)  0.741 
D)  13.26 
E)  1.18 
A)  0.130 
B)  13.87 
C)  0.741 
D)  13.26 
E)  1.18

Question 4

Identify the strongest acid.

Accepted Answer

A)  H2O 
B)  H2S 
C)  H2Se 
D)  H2Te 
E)  Not enough information is available. 
A)  H2O 
B)  H2S 
C)  H2Se 
D)  H2Te 
E)  Not enough information is available.

Question 5

Calculate the hydroxide ion concentration in an aqueous solution with a pH of 4.33 at 25°C.

Accepted Answer

A)  2.1 × 10-10 M 
B)  9.7 × 10-10 M 
C)  4.7 × 10-5 M 
D)  3.8 × 10-5 M 
E)  6.3 × 10-6 M 
A)  2.1 × 10-10 M 
B)  9.7 × 10-10 M 
C)  4.7 × 10-5 M 
D)  3.8 × 10-5 M 
E)  6.3 × 10-6 M

Question 6

________ is found in carbonated beverages due to the reaction of carbon dioxide with water.

Accepted Answer

A)  H2SO4 
B)  H2CO3 
C)  HCOOH 
D)  CH3CH2COOH 
E)  HNO3 
A)  H2SO4 
B)  H2CO3 
C)  HCOOH 
D)  CH3CH2COOH 
E)  HNO3

Question 7

Determine the pOH of a 0.00598 M HClO4 solution.

Accepted Answer

A)  11.777 
B)  6.434 
C)  7.566 
D)  2.223 
E)  3.558 
A)  11.777 
B)  6.434 
C)  7.566 
D)  2.223 
E)  3.558

Question 8

Calculate the pOH of a solution that contains 7.8 × 10-6 M OH⁻ at 25°C.

Accepted Answer

A)  1.28 
B)  5.11 
C)  12.72 
D)  8.89 
E)  9.64 
A)  1.28 
B)  5.11 
C)  12.72 
D)  8.89 
E)  9.64

Question 9

When dissolved in water,which compound is generally considered to be an Arrhenius acid?

Accepted Answer

A)  H2CO3 
B)  KOH 
C)  K2CO3 
D)  CH3H7OH 
A)  H2CO3 
B)  KOH 
C)  K2CO3 
D)  CH3H7OH

Question 10

Calculate the hydronium ion concentration in an aqueous solution with a pH of 9.85 at 25°C.

Accepted Answer

A)  7.1 × 10-5 M 
B)  4.2 × 10-10 M 
C)  8.7 × 10-10 M 
D)  6.5 × 10-5 M 
E)  1.4 × 10-10 M 
A)  7.1 × 10-5 M 
B)  4.2 × 10-10 M 
C)  8.7 × 10-10 M 
D)  6.5 × 10-5 M 
E)  1.4 × 10-10 M

Question 11

Determine the pOH of a 0.348 M Ba(OH)2 solution at 25°C.

Accepted Answer

A)  13.08 
B)  13.54 
C)  13.84 
D)  0.157 
E)  0.458 
A)  13.08 
B)  13.54 
C)  13.84 
D)  0.157 
E)  0.458

Question 12

How many of the following are weak acids? HNO2 HF HNO3 H2PO4⁻

Accepted Answer

A)  0 
B)  1 
C)  3 
D)  4 
E)  2 
A)  0 
B)  1 
C)  3 
D)  4 
E)  2

Question 13

Acid rain consists primarily of

Accepted Answer

A)  nitric and sulfuric acids. 
B)  nitric acid. 
C)  acetic acid. 
D)  hydrochloric acid. 
E)  sulfurous acid. 
A)  nitric and sulfuric acids. 
B)  nitric acid. 
C)  acetic acid. 
D)  hydrochloric acid. 
E)  sulfurous acid.

Question 14

Which of the following is a weak acid?

Accepted Answer

A)  HClO4 
B)  H2SO4 
C)  HBr 
D)  HCN 
E)  HNO3 
A)  HClO4 
B)  H2SO4 
C)  HBr 
D)  HCN 
E)  HNO3

Question 15

What does the term amphoteric mean?

Accepted Answer

A substance is ampho

Question 16

Identify the base that is in Drano.

Accepted Answer

A)  CsOH 
B)  NaOH 
C)  LiHCO3 
D)  K2CO3 
E)  NH3 
A)  CsOH 
B)  NaOH 
C)  LiHCO3 
D)  K2CO3 
E)  NH3

Question 17

A strong electrolyte ______ in solution.

Accepted Answer

A)  precipitates 
B)  does not dissolve 
C)  partially ionizes 
D)  completely ionizes 
E)  forms an emulsion 
A)  precipitates 
B)  does not dissolve 
C)  partially ionizes 
D)  completely ionizes 
E)  forms an emulsion

Question 18

The Brønsted-Lowry model focuses on the transfer of _______ in an acid-base reaction.

Accepted Answer

A)  neutrons 
B)  electrons 
C)  orbitals 
D)  OH- 
E)  H+ 
A)  neutrons 
B)  electrons 
C)  orbitals 
D)  OH- 
E)  H+

Question 19

What is the conjugate base of H2PO4⁻ ?

Accepted Answer

A)  HPO42- 
B)  PO43- 
C)  H3PO4 
D)  H3O+ 
E)  OH⁻ 
A)  HPO42- 
B)  PO43- 
C)  H3PO4 
D)  H3O+ 
E)  OH⁻

Question 20

Determine the pH of a 0.023 M HNO3 solution.

Accepted Answer

A)  12.36 
B)  3.68 
C)  1.64 
D)  2.30 
E)  2.49 
A)  12.36 
B)  3.68 
C)  1.64 
D)  2.30 
E)  2.49

Exam 16: Acids and Bases

List the compound that is formed from the reaction of carbon dioxide with water.

What is the hydronium ion concentration of a 0.500 M acetic acid solution with Ka = 1.8 × 10-5? The equation for the dissociation of acetic acid is: CH3CO2H(aq)+ H2O(l)⇌ H3O+(aq)+ CH3CO2-(aq)

Determine the pH of a 0.741 M LiOH solution at 25°C.

Identify the strongest acid.

Calculate the hydroxide ion concentration in an aqueous solution with a pH of 4.33 at 25°C.

________ is found in carbonated beverages due to the reaction of carbon dioxide with water.

Determine the pOH of a 0.00598 M HClO4 solution.

Calculate the pOH of a solution that contains 7.8 × 10-6 M OH⁻ at 25°C.

When dissolved in water,which compound is generally considered to be an Arrhenius acid?

Calculate the hydronium ion concentration in an aqueous solution with a pH of 9.85 at 25°C.

Determine the pOH of a 0.348 M Ba(OH)2 solution at 25°C.

How many of the following are weak acids? HNO2 HF HNO3 H2PO4⁻

Acid rain consists primarily of

Which of the following is a weak acid?

What does the term amphoteric mean?

Identify the base that is in Drano.

A strong electrolyte ______ in solution.

The Brønsted-Lowry model focuses on the transfer of _______ in an acid-base reaction.

What is the conjugate base of H2PO4⁻ ?

Determine the pH of a 0.023 M HNO3 solution.

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What is the hydronium ion concentration of a 0.500 M acetic acid solution with K_a = 1.8 × 10^-5? The equation for the dissociation of acetic acid is: CH₃CO₂H(aq)+ H₂O(l)⇌ H₃O⁺(aq)+ CH₃CO₂^-(aq)

Determine the pOH of a 0.00598 M HClO₄ solution.

Calculate the pOH of a solution that contains 7.8 × 10^-6 M OH⁻ at 25°C.

Determine the pOH of a 0.348 M Ba(OH)₂ solution at 25°C.

How many of the following are weak acids? HNO₂HFHNO₃ H₂PO₄⁻

What is the conjugate base of H₂PO₄⁻ ?

Determine the pH of a 0.023 M HNO₃ solution.