October 8, 2015

Homework Help: chem ll

Posted by Cayla on Monday, April 30, 2012 at 1:54pm.

How many grams of formic acid, HCOOH, must be added to 0.270L of 0.180M sodium formate, HCOONa, to yield a buffer solution with a pH of 4.20? Assume no volume change.
Ka of HCOOH= 5.010^-4

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