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A 25.0-mL sample of a 0.070 M solution of aqeous trimethylamine is titrated with a 0.088...

A 25.0-mL sample of a 0.070 M solution of aqeous trimethylamine is titrated with a 0.088 M solution of HCl. Calculate the pH of the solution after 10.0, 20.0, and 30.0 mL of acid have been added; pKb of (CH3)3N = 4.19 at 25 C.

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