Chapter 14, Problem 79E

Determine the pOH of each solution and classify it as acidic, basic, or neutral.

a. $\left[{\text{OH}}^{-}\right]=1.5\times {10}^{-9}\text{M}$

b. $\left[{\text{OH}}^{-}\right]=7.0\times {10}^{-5}\text{M}$

c. $\left[{\text{OH}}^{-}\right]=1.0\times {10}^{-7}\text{M}$

d. $\left[{\text{OH}}^{-}\right]=8.8\times {10}^{-3}\text{M}$