Question 1

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

Accepted Answer

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

Question 2

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) 0.0085 
A) 2.07 
B) 4.85 
C) 9.15 
D) 11.93 
E) 0.0085

Question 3

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

Question 4

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) NaCN 
A) LiBr 
B) NaF 
C) NH4Br 
D) KOH 
E) NaCN

Question 5

Which is a strong acid?

Accepted Answer

A) Ba(OH)2 
B) H3PO4 
C) HC2H3O2 
D) NaCl 
E) HClO4 
A) Ba(OH)2 
B) H3PO4 
C) HC2H3O2 
D) NaCl 
E) HClO4

Question 6

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+ 
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+

Question 7

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+ 
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+

Question 8

Which of the following is a strong acid?

Accepted Answer

A) H3PO4 
B) HNO3 
C) HF 
D) CH3COOH 
E) H2O 
A) H3PO4 
B) HNO3 
C) HF 
D) CH3COOH 
E) H2O

Question 9

What is the conjugate base of sulfuric acid?

Accepted Answer

A) HSO4− 
B) H3O+ 
C) OH− 
D) SO42− 
E) H3SO4+ 
A) HSO4− 
B) H3O+ 
C) OH− 
D) SO42− 
E) H3SO4+

Question 10

What is the conjugate acid of the acetate ion?

Accepted Answer

A) CH3O2− 
B) COOH 
C) HC2H3O2 
D) H2O 
E) CH4 
A) CH3O2− 
B) COOH 
C) HC2H3O2 
D) H2O 
E) CH4

Question 11

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

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

Question 13

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 M 
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 M

Question 14

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 M 
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 M

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 M 
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 M

Question 16

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. 
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.

Question 17

Which solution is basic?

Accepted Answer

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

Question 18

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

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) CH3OH 
A) NH3 
B) Ca(OH)2 
C) Al(OH)3 
D) B(OH)3 
E) CH3OH

Question 20

Which of the following is a weak acid?

Accepted Answer

A) H2SO4 
B) HNO3 
C) HF 
D) HBr 
E) HCl 
A) H2SO4 
B) HNO3 
C) HF 
D) HBr 
E) HCl

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

What is the pOH of a 0.0085 M KOH solution?

The substance NH₃ is considered to be

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

Which is a strong acid?

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

Which solution is the most acidic?

Which of the following is a strong acid?

What is the conjugate base of sulfuric acid?

What is the conjugate acid of the acetate ion?

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?

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

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

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

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

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

Which solution is basic?

The substance HClO₄ is considered to be

Which of the following is a strong base?

Which of the following is a weak acid?

Atoms and Elements

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Molecular Shape

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Using Balanced Chemical Equations

Equilibrium

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Exam 12: Acids and Bases

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

What is the pOH of a 0.0085 M KOH solution?

The substance NH3 is considered to be

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

Which is a strong acid?

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

Which solution is the most acidic?

Which of the following is a strong acid?

What is the conjugate base of sulfuric acid?

What is the conjugate acid of the acetate ion?

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?

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

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

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

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

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

Which solution is basic?

The substance HClO4 is considered to be

Which of the following is a strong base?

Which of the following is a weak acid?

Atoms and Elements

Electrons and the Periodic Table

Compounds and Chemical Bonds

How Chemists Use Numbers

The Mole and Chemical Formulas

Molecular Shape

Solids, Liquids, and Phase Changes

Gases

Physical Properties of Solutions

Chemical Reactions and Chemical Equations

Using Balanced Chemical Equations

Equilibrium

Organic Chemistry

Biochemistry

Nuclear Chemistry

Electrochemistry

Filters

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

The substance NH₃ is considered to be

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

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

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

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

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

The substance HClO₄ is considered to be