(Answered) 1 when anbsp153nbspml sample of anbsp0454nbspm

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1. When a 15.3 mL sample of a 0.454 M aqueous hydrofluoric acid solution is titrated with a 0.390 M aqueous sodium hydroxide solution, what is the pH after 26.7 mL of sodium hydroxide have been added?

pH = _______

2. What is the pH at the midpoint in the titration?

pH =When a 22.3 mL sample of a 0.492 M aqueous hydrocyanic acid solution is titrated with a 0.481 M aqueous potassium hydroxide solution

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