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a)During an experiment, a student mixed 14.5mL of a 0.500 M sodium fluoride solution with 15.6...

a)During an experiment, a student mixed 14.5mL of a 0.500 M sodium fluoride solution with 15.6 mL of a 0.750 M hydrofluoric acid solution the measured pH was 3.24.Calculate the pKa.b)Calculate th pH of a solution prepared by mixing 20.5 mL of a 0.500 M sodium flouride solution with 32.5 mL of a 0.750 M hydrofluoric acid solution. Use pKa from question 1

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