Chapter 14.5, Problem 37PP

Indicate whether each of the following solutions is acidic, basic, or neutral:
a. $\left[{\text{H}}_3{\text{O}}^{+}\right]=2.0\times {10}^{-5}\text{M}$
b. $\left[{\text{H}}_3{\text{O}}^{+}\right]=1.4\times {10}^{-9}\text{M}$
c. $\left[{\text{OH}}^{-}\right]=8.0\times {10}^{-3}\text{M}$
d. $\left[{\text{OH}}^{-}\right]=3.5\times {10}^{-10}\text{M}$