Problem: Calculate the pH of a 0.250 M NH 4F aqueous solution. The Kb (NH3) = 1.76 × 10 -5 Ka (HF) = 3.5 × 10-4.

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Calculate the pH of a 0.250 M NH 4F aqueous solution. The Kb (NH3) = 1.76 × 10 -5 Ka (HF) = 3.5 × 10-4.

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