Question 1

The substance NH3 is considered to be

Accepted Answer

A)  a weak acid.
B)  a weak base.
C)  a strong acid.
D)  a strong base.
E)  neither acidic nor basic.F) A) and C)
G) D) and E)

Question 2

Which solution is the most acidic?

Accepted Answer

A)  1 × 10−4 M H+
B)  1 × 10−9 M H+
C)  1 × 10−3 M H+
D)  1 × 10−7 M H+
E)  1 × 10−10 M H+F) A) and B)
G) A) and C)

Question 3

During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of HCl.What is the concentration of the NaOH solution?

Accepted Answer

A)  0.051 M
B)  0.686 M
C)  1.05 M
D)  0.035 M
E)  0.953 MF) C) and D)
G) A) and D)

Question 4

What is the [H3O+] for a solution at 25°C that has pOH = 5.640?

Accepted Answer

A)  2.34 × 10−4 M
B)  2.29 × 10−6 M
C)  4.37 × 10−9 M
D)  4.27 × 10−11 M
E)  8.360 MF) A) and C)
G) C) and D)

Question 5

What is the conjugate base of HSO4− in the reaction below? CO32− + HSO4−    4− in the reaction below? CO32− + HSO4−      HCO3− + SO42− A) HSO4− B) CO32− C) OH− D) H O+ 3 E) SO42−" class="answers-bank-image d-inline" rel="preload" > HCO3− + SO42−

Accepted Answer

A)  HSO4−
B)  CO32−
C)  OH−
D)  H O+3
E)  SO42−F) C) and D)
G) A) and C)

Question 6

What is the concentration of OH− in a 1.0 × 10−3 M Ba(OH) 2 solution?

Accepted Answer

A)  0.50 × 10−3 M
B)  1.0 × 10−3 M
C)  2.0 × 10−3 M
D)  1.0 × 10−2 M
E)  3.3 × 10−4 MF) None of the above
G) B) and D)

Question 7

The substance HClO4 is considered to be

Accepted Answer

A)  a weak acid.
B)  a weak base.
C)  a strong acid.
D)  a strong base.
E)  neither acidic nor basic.F) D) and E)
G) C) and E)

Question 8

What is the conjugate base of sulfuric acid?

Accepted Answer

A)  HSO4−
B)  H3O+
C)  OH−
D)  SO42−
E)  H3SO4+F) All of the above
G) A) and D)

Question 9

Complete the following reaction and identify the Brønsted acid.NaOH(aq)  + HCl(aq)  →

Accepted Answer

A)  NaH(aq)  + HOCl(aq) ; NaOH is the acid.
B)  NaH(aq)  + HOCl(aq) ; HCl is the acid.
C)  NaCl(aq)  + H2O(l) ; NaOH is the acid.
D)  NaCl(aq)  + H2O(l) ; HCl is the acid.
E)  NaCl(aq)  + H2O(l) ; NaCl is the acid.F) B) and C)
G) A) and B)

Question 10

Which of the following is a strong acid?

Accepted Answer

A)  H3PO4
B)  HNO3
C)  HF
D)  CH3COOH
E)  H2OF) A) and C)
G) B) and C)

Question 11

Which solution is basic?

Accepted Answer

A)  pH = 1.00
B)  pH = 10.00
C)  pH = 5.00
D)  pH = 3.00
E)  pH = 4.00F) A) and B)
G) A) and C)

Question 12

What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H2SO4?

Accepted Answer

A)  218.3 mL
B)  66.2 mL
C)  38.4 mL
D)  436.6 mL
E)  33.1 mLF) B) and C)
G) A) and E)

Question 13

What is the [H+] in a solution with a pH of 5.63?

Accepted Answer

A)  2.344 × 10−6 M H+
B)  2.344 × 10−5 M H+
C)  5.63 M H+
D)  2.3 × 10−6 M H+
E)  2.3 × 10−5 M H+F) C) and D)
G) B) and C)

Question 14

What is the conjugate acid of the acetate ion?

Accepted Answer

A)  CH3O2−
B)  COOH
C)  HC2H3O2
D)  H2O
E)  CH4F) A) and C)
G) C) and D)

Question 15

What is [OH−] for a solution at 25°C that has [H3O+] = 8.23 × 10−2 M?

Accepted Answer

A)  8.23 × 10−2 M
B)  1.22 × 10−6 M
C)  8.23 × 10−12 M
D)  1.22 × 10−13 M
E)  8.23 × 10−16 MF) C) and E)
G) A) and D)

Question 16

Which is a strong acid?

Accepted Answer

A)  Ba(OH) 2
B)  H3PO4
C)  HC2H3O2
D)  NaCl
E)  HClO4F) B) and C)
G) C) and E)

Question 17

Which of the following is a weak acid?

Accepted Answer

A)  H2SO4
B)  HNO3
C)  HF
D)  HBr
E)  HClF) A) and B)
G) C) and E)

Question 18

What is the pOH of a 0.0085 M KOH solution?

Accepted Answer

A)  2.07
B)  4.85
C)  9.15
D)  11.93
E)  0.0085F) A) and B)
G) B) and E)

Question 19

Which of the following is a strong base?

Accepted Answer

A)  NH3
B)  Ca(OH) 2
C)  Al(OH) 3
D)  B(OH) 3
E)  CH3OHF) B) and D)
G) A) and B)

Question 20

Which one of these salts will form an acidic solution upon dissolving in water?

Accepted Answer

A)  LiBr
B)  NaF
C)  NH4Br
D)  KOH
E)  NaCNF) A) and E)
G) All of the above

Exam 12: Acids and Bases

Complete the following reaction and identify the Brønsted acid.NaOH(aq) + HCl(aq) →

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Which of the following is a strong base?

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During a titration, it is found that 53.5 mL of a solution of NaOH is needed to neutralize a solution that contains 1.86 g of HCl.What is the concentration of the NaOH solution?

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Which solution is basic?

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What is the conjugate base of HSO4− in the reaction below? CO32− + HSO4− HCO3− + SO42−

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What is the concentration of OH− in a 1.0 × 10−3 M Ba(OH) 2 solution?

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Which of the following is a weak acid?

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What is the conjugate base of sulfuric acid?

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What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H2SO4?

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What is the pOH of a 0.0085 M KOH solution?

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Which one of these salts will form an acidic solution upon dissolving in water?

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What is [OH−] for a solution at 25°C that has [H3O+] = 8.23 × 10−2 M?

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The substance HClO4 is considered to be

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Which of the following is a strong acid?

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Which is a strong acid?

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What is the conjugate acid of the acetate ion?

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The substance NH3 is considered to be

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What is the [H3O+] for a solution at 25°C that has pOH = 5.640?

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Which solution is the most acidic?

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What is the [H+] in a solution with a pH of 5.63?

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What is the conjugate base of HSO₄⁻ in the reaction below? CO₃²⁻ + HSO₄⁻ HCO₃⁻ + SO₄²⁻

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What is the concentration of OH⁻ in a 1.0 × 10⁻³ M Ba(OH) ₂ solution?

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What volume of a 0.452 M NaOH solution is needed to neutralize 85.0 mL of a 0.176 M solution of H₂SO₄?

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What is [OH⁻] for a solution at 25°C that has [H₃O⁺] = 8.23 × 10⁻² M?

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The substance HClO₄ is considered to be

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The substance NH₃ is considered to be

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What is the [H₃O⁺] for a solution at 25°C that has pOH = 5.640?

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What is the [H⁺] in a solution with a pH of 5.63?

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