Answer to Question #122560 in General Chemistry for Jarrett

General Chemistry

Question #122560

What would be the [OH-] of a solution that has a pH of 9?

Expert's answer

The sum of pH and pOH is always 14. Therefore pOH = 14-9 (ph) = 5.

that is, the concentration of [OH] is equal to 1 * 10^-5mol/litr.

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