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A 20.0-mL sample of 0.150 MKOH is titrated with 0.125 MHClO4 solution. Calculate the pH after...

A 20.0-mL sample of 0.150 MKOH is titrated with 0.125 MHClO4 solution. Calculate the pH after the following volumes of acid have been added.

A.20.0 mL

B.23.0 mL

C.24.0 mL

D.27.0 mL

E.31.0 mL

Express your answer using two decimal places.

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