What is the poH of a 6.5 x 10-12 M OH solution? pOH = [?]

Question

asked Oct 17, 2021 123k views

2 Answers

Sebastian Viereck · Answer 1 · 2021-10-23T22:13:43+0000

Answer:

pOH=11.2

Step-by-step explanation:

Hello,

In this case, by knowing that the pOH is defined in terms of the concentration of OH⁻ as shown below:

pOH=-log([OH^-])

We directly compute with the given concentration:

$pOH=-log(6.5x10^(-12))\\\\pOH=11.2$

Moreover, fur such pOH, the pH will be:

pH=14-11.2=2.8

Which means that such solution is an acid solution.

Best regards.