February 26, 2017

Homework Help: chem ap

Posted by quentin on Thursday, April 17, 2008 at 7:53pm.

please tell me if i am correct
a buffer is made using HF and NaF-with a pH of 3.00. compute the ratio of the conjugate base F- to weak acid HF.
I previously found Ka of HF which is 7.2x10^-4 and the ph of HF is 3.15.

the concentration of NaF would be 1.00x10^-2 ????

and so the ratio would be 1.00 over 7.2 x 10^-2 ??

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