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April 19, 2014

Homework Help: chemistry

Posted by Justine on Thursday, March 7, 2013 at 7:53pm.

A buffer consists of 0.14 M KHCO3 and 0.61 M K2CO3. Carbonic acid is a dirpotic acid with Ka1= 4.5*10^-7 and Ka2= 4.7*10^-11.
a) which Ka value is more important to this buffer
b) what is the buffer pH?

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