1 Answer

Piohen · Answer 1 · 2021-01-25T15:49:39+0000

Answer:

6.08

Step-by-step explanation:

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

$pOH = - log [ {OH}^(-) ]$

From the question we have

$pOH = - log(8.4 * {10}^( - 7) ) \\ = 6.075720...$

We have the final answer as

Hope this helps you