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April 17, 2014

Homework Help: Chemistry

Posted by Andrew on Friday, June 1, 2012 at 5:13pm.

Calculate the pH at the halfway point and at the equivalence point for each of the following titrations.
(a) 100.0 mL of 0.14 M HC7H5O2 (Ka= 6.4 multiplied by 10-5) titrated by 0.14 M NaOH
halfway point

equivalence point

(b) 100.0 mL of 0.29 M C2H5NH2 (Kb = 5.6 multiplied by 10-4) titrated by 0.58 M HNO3
halfway point

equivalence point


(c) 100.0 mL of 0.28 M HCl titrated by 0.14 M NaOH
halfway point

equivalence point


I'm pretty unclear as far as how to go about it and would greatly appreciate help. Thanks in advance!

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