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March 26, 2015

Homework Help: CHEMISTRY

Posted by Sarah on Thursday, September 29, 2011 at 4:21pm.

Suppose that 30.0 mL of 0.20 M C6H5COO(aq) is titrated with 0.30 M KOH(aq).

a) What is the initial pH of the 0.20 M C6H5COOH(aq)?


b) What is the pH after the addition of 15.0 mL of 0.30 M KOH(aq)?


c) What volume of 0.30 M KOH(aq) is required to reach halfway to the stoichiometric point?


d) Calculate the pH at the halfway point.


e) What volume of 0.30 M KOH(aq) is required to reach the stoichiometric point?


f) Calculate the pH at the stoichiometric point.

Please show work as well as correct answers. Thanks!

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