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1. During an experiment, a student mixed 14.5mL of a 0.500M sodium fluoride solution with 15.6mL of a 0.750M hydrofluoric acid solution, the measured pH was 3.24. Calculate the pKa.

2. Calculate the pH of a solution prepared by mixing 20.5mL of a 0.500M sodium fluoride solution with 32.5mL of a 0.750M hydrofluoric acid solution.

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Category:- Chemistry
Reference No.:- M91052028

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