Calculate the pH of 0.726 M anilinium hydrochloride (C₆H₅NH₃Cl) solution in water, given that K_bfor aniline is 3.83 × 10^-⁴.

Name: Calculate the pH of 0.726 M anilinium hydrochloride (C 6 H 5 NH 3 Cl) solution in water, given that K b for aniline is 3.83 × 10 - 4 .
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Quizplus · Accepted Answer

Anilinium hydrochloride is the conjugate acid of aniline. Calculate K_a using K_w/K_b, then use the formula for pH of a weak acid: pH = 1/2(pK_a - log C).

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