What is the [h3o+] for a solution at 25°c that has poh = 5.640?

Question

Chemistry

Jovani Rich

4 August, 15:05

What is the [h3o+] for a solution at 25°c that has poh = 5.640?

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Answers (1)

Know the Answer?

Jasper Haynes · Answer 1

= 4.37*10^-9 M

Explanation:

We know that;

pH + pOH = 14

Therefore;

pH = 14 - pOH

Which means; pH = 14 - 5.64

= 8.36

But;

pH = - log[H3O+]

Thus;

8.36 = - log[H3O+]

[H3O+] = 10^ (-8.36)

= 4.37*10^-9 M