baileypreston311 baileypreston311

12-05-2019
Chemistry

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The [H3O+] of a solution is 2.5 x10-7. What is the pOH of the solution?

Respuesta :

superman1987 superman1987

26-05-2019

Answer:

7.4.

Explanation:

∵ pH = -log[H₃O⁺].

∴ pH = -log(2.5 x 10⁻⁷) = 6.6.

∵ pH + pOH = 14.

∴ pOH = 14.0 - pH = 14.0 - 6.6 = 7.4.

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