The pOH of a solution is 5.72 .What is its hydronium-ion concentration? A)5.2 × 10⁵ M B)5.2 × 10^-9 M C)1.9 × 10^-6 M D)5.72 M E)3.3 × 10^-3 M

Name: The pOH of a solution is 5.72 .What is its hydronium-ion concentration? A)5.2 × 10 5 M B)5.2 × 10 -9 M C)1.9 × 10 -6 M D)5.72 M E)3.3 × 10 -3 M
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Quizplus · Accepted Answer

The pOH of a solution is 5.72. This means that the [OH-] = 10^-5.72 M. The Kw for water is 10^-14, so the [H3O+] = 10^-14 / 10^-5.72 = 5.2 x 10^-9 M.

The POH of a Solution Is 5