Chapter 13, Problem 96QAP

Which of the following is/are true regarding a 0.1 M solution of Ba(OH)₂?

(a) $\left[{\text{OH}}^{-}\right]=0.\text{1 }M$(b) $\left[{\text{OH}}^{-}\right]=\left[{\text{Ba}}^{\text{2}+}\right]$(c) $\text{pH}=\text{13}.\text{3}0$(d) $\left[{\text{H}}^{+}\right]=\text{1}\times \text{1}{0}^{-\text{7}}M$