What is the pH of a 0.050 M triethylamine, (C₂H₅)₃N, solution? K_b for triethylamine is 5.3 × 10^-4.

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Quizplus · Accepted Answer

Triethylamine is a weak base, and its pH can be calculated using the formula for pH of a weak base: pH = 14 - pOH. First, calculate the pOH using the formula: pOH = -log(√(Kb × [Base])). Substituting the given values: pOH = -log(√(5.3 × 10^-4 × 0.050)) ≈ 2.31. Therefore, pH = 14 - 2.31 = 11.69.

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