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14. The Ka for hydrofluoric acid is 7.1 x 10-4. Calculate the pH of a 0.15 M aqueous solution of hydrofluoric acid at 25 °C.?

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  • 14. The Ka for hydrofluoric acid is 7.1 x 10-4. Calculate the pH of a 0.15 M aqueous solution of hydrofluoric acid at 25 °C.?


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7) Calculate the pH of a solution prepared by dissolving 0.25 mol of benzoic acid (C7H5O2H) and 0.15 molof sodium benzoate (NaC7H5O2) in water sufficient ...
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Positive: 94 %
Problem #1: HF, hydrofluoric acid is a weak acid with a K a of 3.55 x 10¯ 4. What would be the pH of a solution of 1.34 M sodium fluoride? Some discussion ...
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Positive: 91 %

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