Question 1

The conjugate acid of HSO₄ - is

Accepted Answer

A) SO42-. 
B) HSO₄. 
C) H2SO₄. 
D) H2SO₄-. 
E) HSO3-. 
A) SO42-. 
B) HSO₄. 
C) H2SO₄. 
D) H2SO₄-. 
E) HSO3-.

Question 2

What is the [ H₃ O+] in a solution that has a [OH-] = 5.0 × 10-2 M?

Accepted Answer

A) 2.0 × 10-12 M 
B) 2.0 × 10-2 M 
C) 1.0 × 10-14 M 
D) 2.0 × 10-4 M 
E) 5.0 × 10-12 M 
A) 2.0 × 10-12 M 
B) 2.0 × 10-2 M 
C) 1.0 × 10-14 M 
D) 2.0 × 10-4 M 
E) 5.0 × 10-12 M

Question 3

What is the molarity of a KOH solution if 25.0 mL neutralizes 35.0 mL of a 0.200 M HCl solution?

Accepted Answer

A) 0.267 M 
B) 0.143 M 
C) 0.200 M 
D) 0.280 M 
E) 0.100 M 
A) 0.267 M 
B) 0.143 M 
C) 0.200 M 
D) 0.280 M 
E) 0.100 M

Question 4

What is the [ H₃ O+] in a solution with [OH-] = 1 × 10-12 M?

Accepted Answer

A) 1 × 10-12 M 
B) 1 × 102 M 
C) 1 × 10-7 M 
D) 1 × 10-8 M 
E) 1 × 10-2 M 
A) 1 × 10-12 M 
B) 1 × 102 M 
C) 1 × 10-7 M 
D) 1 × 10-8 M 
E) 1 × 10-2 M

Question 5

Which of the following is the strongest acid?

Accepted Answer

A) H₃PO₄ 
B) NH4+ 
C) NaOH 
D) H2CO3 
E) HCl 
A) H₃PO₄ 
B) NH4+ 
C) NaOH 
D) H2CO3 
E) HCl

Question 6

In which of the following are the pH values arranged from the most acidic to the most basic?

Accepted Answer

A) 1, 3, 6, 8, 11, 14 
B) 2, 5, 7, 9, 10, 1.1 
C) 14, 10, 7, 4, 3, 1 
D) 14, 10, 7, 1, 3, 5 
E) 7, 10, 14, 4, 3, 1 
A) 1, 3, 6, 8, 11, 14 
B) 2, 5, 7, 9, 10, 1.1 
C) 14, 10, 7, 4, 3, 1 
D) 14, 10, 7, 1, 3, 5 
E) 7, 10, 14, 4, 3, 1

Question 7

How many milliliters of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H₃ PO₄ ?

Accepted Answer

A) 7.50 mL 
B) 2.50 mL 
C) 0.833 mL 
D) 5.00 mL 
E) 15.0 mL 
A) 7.50 mL 
B) 2.50 mL 
C) 0.833 mL 
D) 5.00 mL 
E) 15.0 mL

Question 8

How many milliliters of 0.100 M Ba(OH)₂ are required to neutralize 20.0 mL of 0.250 M HCl?

Accepted Answer

A) 100. mL 
B) 50.0 mL 
C) 25.0 mL 
D) 0.250 mL 
E) 0.50 mL 
A) 100. mL 
B) 50.0 mL 
C) 25.0 mL 
D) 0.250 mL 
E) 0.50 mL

Question 9

The normal blood pH is about

Accepted Answer

A) 6.8. 
B) 7.0. 
C) 7.2. 
D) 7.4. 
E) 7.6. 
A) 6.8. 
B) 7.0. 
C) 7.2. 
D) 7.4. 
E) 7.6.

Question 10

A strong acid is completely dissociated in water.

Accepted Answer

A) True 
 B)False

Question 11

In a sulfuric acid solution, where the [ H₃ O+] is 0.01 M, what is the pH?

Accepted Answer

A) pH = 12.0 
B) pH = 2.0 
C) pH = 3.0 
D) pH = 11.0 
E) pH = 5.0 
A) pH = 12.0 
B) pH = 2.0 
C) pH = 3.0 
D) pH = 11.0 
E) pH = 5.0

Question 12

The Ka for hydrofluoric acid is 7.2 × 10-4. This means that HF is

Accepted Answer

A) neutral in water solution. 
B) able to react with HCl. 
C) a weak acid. 
D) a strong acid. 
E) ionic. 
A) neutral in water solution. 
B) able to react with HCl. 
C) a weak acid. 
D) a strong acid. 
E) ionic.

Question 13

HCl is a strong acid.

Accepted Answer

A) True 
 B)False

Question 14

A solution which has [OH-] = 4.6 × 10-6 M is

Accepted Answer

A) acidic. 
B) basic. 
C) neutral. 
A) acidic. 
B) basic. 
C) neutral.

Question 15

A 10.0 mL of 0.121 M H2SO₄ is neutralized by 17.1 mL of KOH solution. The molarity of the KOH solution is

Accepted Answer

A) 0.207 M. 
B) 0.4141 M. 
C) 0.0708 M. 
D) 0.428 M. 
E) 0.142 M. 
A) 0.207 M. 
B) 0.4141 M. 
C) 0.0708 M. 
D) 0.428 M. 
E) 0.142 M.

Question 16

Write the proper Ka expression for the ionization of acetic acid, HC2H3O2.

Accepted Answer

Ka = [C₂H₃O

Question 17

Alkalosis is the blood condition in which the blood pH is higher than normal.

Accepted Answer

A) True 
 B)False

Question 18

The [ H₃O+] of a solution with pH = 5.60 is

Accepted Answer

A) 3 × 10-6 M. 
B) 2.5 × 10-8 M. 
C) 2.5 × 10-6 M. 
D) 4.0 × 10-6 M. 
E) 4.0 × 10-9 M. 
A) 3 × 10-6 M. 
B) 2.5 × 10-8 M. 
C) 2.5 × 10-6 M. 
D) 4.0 × 10-6 M. 
E) 4.0 × 10-9 M.

Question 19

Which of the following is a neutralization reaction?

Accepted Answer

A) KCl + NaNO₃→ KNO₃+ NaCl 
B) HNO₃+ KOH → H2O + KNO₃ 
C) H2O + SO₃→ H2SO₄ 
D) 4Na + O2 → 2Na2O 
E) 2NO2 → 2NO + O2 
A) KCl + NaNO₃→ KNO₃+ NaCl 
B) HNO₃+ KOH → H2O + KNO₃ 
C) H2O + SO₃→ H2SO₄ 
D) 4Na + O2 → 2Na2O 
E) 2NO2 → 2NO + O2

Question 20

The name given to an aqueous solution of HClO₃ is

Accepted Answer

A) chlorous acid. 
B) hypochlorous acid. 
C) chloric acid. 
D) hydrochloric acid. 
E) hypochloric acid. 
A) chlorous acid. 
B) hypochlorous acid. 
C) chloric acid. 
D) hydrochloric acid. 
E) hypochloric acid.

Exam 11: Acids and Bases

The conjugate acid of HSO₄ - is

What is the [ H₃ O+] in a solution that has a [OH-] = 5.0 × 10-2 M?

What is the molarity of a KOH solution if 25.0 mL neutralizes 35.0 mL of a 0.200 M HCl solution?

What is the [ H₃ O+] in a solution with [OH-] = 1 × 10-12 M?

Which of the following is the strongest acid?

In which of the following are the pH values arranged from the most acidic to the most basic?

How many milliliters of 0.200 M NaOH are required to completely neutralize 5.00 mL of 0.100 M H₃ PO₄ ?

How many milliliters of 0.100 M Ba(OH)₂ are required to neutralize 20.0 mL of 0.250 M HCl?

The normal blood pH is about

A strong acid is completely dissociated in water.

In a sulfuric acid solution, where the [ H₃ O+] is 0.01 M, what is the pH?

The Ka for hydrofluoric acid is 7.2 × 10-4. This means that HF is

HCl is a strong acid.

A solution which has [OH-] = 4.6 × 10-6 M is

A 10.0 mL of 0.121 M H2SO₄ is neutralized by 17.1 mL of KOH solution. The molarity of the KOH solution is

Write the proper Ka expression for the ionization of acetic acid, HC2H3O2.

Alkalosis is the blood condition in which the blood pH is higher than normal.

The [ H₃O+] of a solution with pH = 5.60 is

Which of the following is a neutralization reaction?

The name given to an aqueous solution of HClO₃ is

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Write the proper Ka expression for the ionization of acetic acid, HC₂H₃O₂.