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A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the...

A 20.0-mL sample of 0.150 M KOH is titrated with 0.125 M HClO4 solution. Calculate the pH after the following volumes of acid have been added.

22.5 mL of the acid

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