Calculate the molarity of an aqueous solution of NaOH if its pH is measured and found to be 12.00.

Question

Hailee Landry

Chemistry

21 May, 05:40

Calculate the molarity of an aqueous solution of NaOH if its pH is measured and found to be 12.00.

+5

Answers (1)

Know the Answer?

Jessie Stokes · Answer 1

pH = 12

[H⁺] = 10⁻¹²

[OH⁻¹ ] [H⁺] = 10⁻¹⁴

[OH⁻¹ ] = 10⁻²

NaOH = Na⁺¹ + OH⁻¹

NaOH is a strong base so it dissociates 100%

[OH⁻¹ ] = 10⁻²

molarity of NaOH = 10⁻² M

=.01 M.