Answer:
6.08
Explanation:
The pOH of a solution can be found by using the formula
[tex]pOH = - log [ {OH}^{-} ][/tex]
From the question we have
[tex]pOH = - log(8.4 \times {10}^{ - 7} ) \\ = 6.075720...[/tex]
We have the final answer as
6.08
Hope this helps you
