A buffer solution of a weak acid and its salt had a pH of 7.85 when the acid was 0.251 M and the anion was 1.10 M. How do you calculate the equilibrium dissociation constant (Ka)?
1 Answer
Mar 22, 2016
You can do it like this:
Explanation:
We will call the acid
We know the
From which
The expression for
These are equilibrium concentrations which the question has already provided us with.