Textbook Problem

. Calculate [H⁺] in each of the following solutions, and indicate whether the solution is acidic, basic, or neutral.

a. $\left[{\text{OH}}^{\text{-}}\right]=4.22\times {10}^{-3}M$b. $\left[{\text{OH}}^{\text{-}}\right]=1.01\times {10}^{-13}M$c. $\left[{\text{OH}}^{\text{-}}\right]=3.05\times {10}^{-7}M$d. $\left[{\text{OH}}^{\text{-}}\right]=6.02\times {10}^{-6}M$