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1. When a 21.5 mL sample of a 0.329 M aqueous hypochlorous acid solution is titrated...

1. When a 21.5 mL sample of a 0.329 M aqueous hypochlorous acid solution is titrated with a 0.456 M aqueous potassium hydroxide solution, what is the pH after 23.3 mL of potassium hydroxide have been added?

pH =

2. When a 16.0 mL sample of a 0.404 M aqueous hydrocyanic acid solution is titrated with a 0.418 M aqueous barium hydroxide solution, what is the pH at the midpoint in the titration?

pH =

0 0
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Answer #1

a) Addition of 23.3 mL of KOH: Number of moles of HClO = M*V = 0.329 M* 21.5 mL = 7.0735 mmol Number of moles of KOH = M*V =

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