Exercise 5 | The Properties of Acids and Bases
General Chemistry 3 - Exercise 5
The pH of a 4.0 x 10-2 M of formic acid HCOOH is 3.08. Calculate the % dissociation of HCOOH.
% dissociation = x 100
[H3O+] = 10-pH = 10-3.08 = 8.32 x 10-4 M
[HCOOH]0 = 4.0 x 10-2 M
% dissociation = x 100 = 2.1 %