pH Larutan dan Indikator Asam Basa

\begin{equation*}
\begin{split}
[\ce{H+}] \:.\: [\ce{OH-}] & = 10^{-14} \\\\
0,01 \:.\: [\ce{OH-}] & = 10^{-14} \\\\
[\ce{OH-}] & = 10^{-12}
\end{split}
\end{equation*}