Homework Help: Chemistry

Posted by Jematormal91 on Thursday, March 29, 2012 at 2:26pm.

How much more acetic acid (pKa = 4.76) than acetate should be in solution to maintain a pH of 4.00?

Chemistry - DrBob222, Thursday, March 29, 2012 at 5:50pm
4.00 = 4.76 + log b/a
b/a = ?
Chemistry - Jematormal91, Friday, March 30, 2012 at 4:40pm
When I solve for b/a it equal 0.17, but I'm supposed to find how much more acetic acid should be in the solution.. How do I do that?

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