CALCULATING pH

What is the pH of a solution with a hydrogen ion concentration of 6.2 x 10^-5?

• 5

• 4.2

• 1.6

• 10.9

Hydrogen ion concentration is also written as:

• [H₂O]

• [H₃O⁺]

• [OH^-]

• [H⁺]

A sample of fruit juice is found to have a hydrogen ion concentration of 2.87 x 10^-4. What would the pH be?

• 1.76

• 3.54

• 8.29

• 13.22

What is the concentration of H⁺ in a solution with a pH of 3?

• 1.0 x 10^-3

• 3.0 M

• 10.3 M

• 10³ M

What is the pH of a solution when [H⁺] = 7.9 x 10^-11?

• 2.4

• 10.1

• 7.5

• 4.8

Calculate the pH of a solution with a hydrogen ion concentration of 6.5 x 10^-9.

• 8.2

• 3.4

• 5.5

• 9.1

Which of the following is the hydrogen ion concentration of an acid?

• 9.2 x 10^-14

• 2.4 x 10^-7

• 1.0 x 10^-8

• 5.7 x 10^-11

Which of the following is the [H⁺] concentration of a base?

• 9.2 x 10^-3

• 8.3 x 10^-6

• 3.4 x 10^-9

• 1.7 x 10^-7

A solution with a hydrogen ion concentration of 5.1 x 10^-7 will turn litmus paper:

• red

• blue

• green

• purple

A solution with a [H⁺] concentration of 3.6 x 10^-13 will turn litmus paper what color?

• purple

• green

• red

• blue