Question

Calculate H₃O+ ion concentration of a solution having a pH of 10.6.

Answer 1

$$\begin{gathered} pH=-\log \left[H^{+}\right] \\ -\log \left[H^{+}\right]=10.6 \\ \left[H^{+}\right]=A.\log (-10.6) \\ =A.\log (-11+0.4) \\ =2.511\times {10}^{-11}M \end{gathered}$$