Unit 11 Acid and Base Test Review

A solution has more H⁺ ions than OH^- ions. Is it an acid or base?

• acid

• base

Identify the base and conjugate acid pair in the following equation:

F^- + H₃O⁺↔ HF + H₂O

• F^- and H₂O

• H₃O⁺ and HF

• F^- and HF

• H₃O⁺ and H₂O

Calculate the pOH of a 0.410 M NaOH solution.

• 0.086

• 0.387

• 0.178

• 0.586

An aqueous solution has a pH of 2.7. Calculate the pOH of the aqueous solution.

• 9.3

• 12.3

• 17.3

• 11.3

Identify the acid and conjugate base pair in the following equation:

HF + H₂O ↔ H₃O⁺ + F^-

• HF and H₃O⁺

• HF and F^-

• HF and H₂O

• H₂O and H₃O⁺

A solution that contains equal concentrations of H⁺ and OH^- ions is

• an acid

• a base

• neutral

• ionized

What is the pH of a 2.3x10^-3 M NaOH solution?

• 2.64

• 11.36

• 2.34

• 11.66

What is the pH of an acid that has a H⁺ concentration of 1.0x10^-4?

• pH 12

• pH 9

• pH 7

• pH 4

What is the pH of an acid that has a H⁺ concentration of 1.0x10^-7?

• pH 12

• pH 9

• pH 7

• pH 4

What is the pH of an acid that has a H⁺ concentration of 1.0x10^-12?

• pH 12

• pH 9

• pH 7

• pH 4