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An acidic solution is made by dissolving 13.5 g of HF (Ka = 6.7x10-4) into enough...

An acidic solution is made by dissolving 13.5 g of HF (Ka = 6.7x10-4) into enough water to make a total volume of 750 mL. It is then titrated with 0.750 M KOH. How much of the 0.750 M KOH solution must be titrated into the HF solution to achieve a pH of 3.17?

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