Homework Chapter 16.4

1. The pH of a solution is determined to be 5.0. What is the hydronium ion concentration of this solution? ( 1 x 10^-5 M)

pH = -log[H3O⁺¹]
5.0 = -log[H3O⁺¹]
[H3O⁺¹] = 1.0 x 10^-5M