Chapter 16.6, Problem 1PPB

Practice Problem BUILD

Determine the pH of a solution at $\text{25°C}$ in which the hydroxide ion concentration is $\left(\text{a}\right)\text{ 2}\text{.8 }\times {\text{10}}^{\text{-8}}M\text{, }\left(\text{b}\right)\text{ 9}\text{.9 }\times {\text{10}}^{\text{-9}}M\text{, and }\left(\text{c}\right)\text{ 1}\text{.0 }\times {\text{10}}^{\text{-11}}M$.