Calculate the pOH of a solution that contains 2.4 × 10^-5 mol L^-1 H₃O⁺ at 25 °C. A) 2.40 B) 9.38 C) 4.62 D) 11.60 E) 4.17

Name: Calculate the pOH of a solution that contains 2.4 × 10 -5 mol L -1 H 3 O⁺ at 25 °C. A) 2.40 B) 9.38 C) 4.62 D) 11.60 E) 4.17
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Question

Quizplus · Accepted Answer

To find the pOH, first calculate the pH using the formula pH = -log[H₃O⁺]. For [H₃O⁺] = 2.4 × 10⁻⁵, pH = -log(2.4 × 10⁻⁵) ≈ 4.62. Then, use the relation pH + pOH = 14 to find pOH = 14 - 4.62 = 9.38.

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