Test3 ch17b Buffer-Titration-Equilibrium Practice Problems

5 Buffer Calculations 20. Calculate the pH of a solution that is 0.30 M in ammonia (NH 3) and 0.20 M in ammonium chloride (NH 4Cl, K a = 5.62 × 10 –10). 21. Calculate the pH of a solution containing 0.40 mol fluoride anion and 0.30 mol of hydrogen fluoride (HF).

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