Chemistry Ch. 16 Review

Which of the following is a property of a base?

• Bases are produced by reacting an acid with a salt.

• Bases react with metals to produce hydrogen gas (O₂).

• Bases increase the amount of H⁺ ions in the solution.

• Bases have a pH greater than 7.

• Bases create a sweet taste.

A chemical that dissolves in water to release hydrogen ions is a(n) ________.

A solution of nitric acid has an H⁺ concentration of 8.24 x 10⁻5 M. What is the pH of the solution?

• 10.6

• 2.51

• 3.37

• 6.75

• 4.08

The pH of a nitric acid solution was found to be too concentrated at a pH of 3.2. If you dilute the solution with pure water in a 100:1 ratio, what will be the pH of the new solution?

• 1.2

• 4.2

• 0.2

• 3.2

• The pH of the solution will not change.

What is the concentration of H⁺ in a solution that has a pH of 5.47?

Calculate the pH of a glass of grapefruit juice with a 1.11x10⁻⁴ M H⁺ concentration.

• 4.89

• 3.95

• 9.11

• 10.0

• 2.54

Find the pH of a 3.75x10⁻⁵ M lithium hydroxide (LiOH) solution.

• 10.2

• 3.81

• 9.57

• 4.43

• 2.16

Identify the two examples that are NOT conjugate acid-base pairs.

• V & I

• II & IV

• III & IV

• V & IV

• II & III

Calculate the pH of a bottle of bleach with a 9.30x10⁻¹³ M H⁺ concentration.

Which is true about a neutral solution?

• The [H⁺] is smaller than the [OH⁻].

• There are no H⁺ or OH⁻ ions in a neutral solution.

• The concentrations of H⁺ and OH⁻ are equal.

• The [H⁺] is larger than the [OH⁻].

• The pH of a neutral solution is 0.