|
Effect of pH on Ionization
Acids:
pH > pKa --- Completely ionized
Bases:
pKb > pH --- Completely ionized
Weak Acids
pH = pKa + log (ionized/unionized)
%ionized= 10pH-pKa/(1+ 10pH-pKa) *100
Weak bases
pH = pKb+ log (unionized/ionized)
%ionized= 10pKb-pH/(1+10pKb-pH) *100
|