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Question
NH4F is a salt of weak acid HF (Ka = 7.2 × 10–4) and weak base NH4OH (Kb = 1.8 × 10–5), the solution of NH4F will be ______.
Options
slightly acidic
slightly basic
strongly basic
neutral
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Solution
NH4F is a salt of weak acid HF (Ka = 7.2 × 10–4) and weak base NH4OH (Kb = 1.8 × 10–5), the solution of NH4F will be slightly acidic.
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