Homework Chapter 16.4

2. The pH of a solution is determined to be 12.0. what is the hydronium ion concentration of this solution? (1 x 10^-12 M)

pH = -log[H3O⁺¹]
12.0 = -log[H3O⁺¹]
[H3O⁺¹] = 1.00 x 10^-12M