Calculate the pH of a solution containing 0.15 moles KOH dissolved in enough water to produce 2 liters of solution.

Name: Calculate the pH of a solution containing 0.15 moles KOH dissolved in enough water to produce 2 liters of solution.
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Question

Quizplus · Accepted Answer

KOH is a strong base that completely dissociates in water. The concentration of KOH is 0.15 moles / 2 liters = 0.075 M. The pOH of the solution is -log(0.075) = 1.12. Since pH + pOH = 14, the pH of the solution is 14 - 1.12 = 12.88.

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