A solution has a pH of 10.20 at 25°C.What is the hydroxide-ion concentration at 25°C? A)3.8 M B)2.2 × 10^-2 M C)1.6 × 10^-4 M D)6.3 × 10^-11 M E)1.0 × 10^-7 M

Name: A solution has a pH of 10.20 at 25°C.What is the hydroxide-ion concentration at 25°C? A)3.8 M B)2.2 × 10 -2 M C)1.6 × 10 -4 M D)6.3 × 10 -11 M E)1.0 × 10 -7 M
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Question

Quizplus · Accepted Answer

The pH of 10.20 corresponds to a pOH of 14 - 10.20 = 3.80. The hydroxide-ion concentration is 10^(-pOH) = 10^(-3.80) = 1.6 × 10^(-4) M.

A Solution Has a PH of 10