Practice question
Question
The Kb of a weak base B is 3.2 × 10⁻⁶ . What is its pKb ?
Explanation
pKb = -log Kb = -log(3.2 × 10⁻⁶) = 6 - log 3.2 ≈ 6 - 0.505 = 5.495 ≈ 5.5 .
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