# What is the pH of a 8.4x10^-6 M H^+ solution?

Aug 28, 2016

$p H$ = 5.08

#### Explanation:

The pH can be obtained directly from the concentration using the formula below:

Take the -logarithm of the concentration of hydronium ions that are in the solution:

$p H = - \log \left(8.4 \times {10}^{- 6} M\right) = 5.08$

$\textcolor{b l u e}{\text{Note}}$: ${H}_{3} {O}^{+}$ is the same as ${H}^{+}$. This is because we're assuming that water molecules interact with ${H}^{+}$ in solution.