Respuesta :

Answer:

7.50

Explanation:

The pH of a solution can be found by using the formula

[tex]pH = - log [ {H}^{+} ][/tex]

From the question we have

[tex]pH = - log(3.16 \times {10}^{ - 8} ) \\ = 7.500312...[/tex]

We have the final answer as

7.50

Hope this helps you