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April 19, 2014

Homework Help: Chemistry

Posted by KB on Monday, March 11, 2013 at 9:26pm.

Calculate the pH for each of the following points in the titration of 50.0 mL of a 2.7 M H3PO3(aq) with 2.7 M KOH(aq).

pKa1 = 1.3 and pKa2 = 6.7

a) before addition of any KOH
b) after addition of 25.0 mL of KOH
c) after addition of 50.0 mL of KOH
d) after addition of 75.0 mL of KOH
e) after addition of 100.0 mL of KOH

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