Based on your understanding of the relationship between acid/base behavior and chemical structure, match the Ka with each acid. Then calculate the pKa which corresponds to each value.
Ka's: 1.4 x 10-3 1.8 x 10-5 3.3 x 10-2
Acetic: CH3COOH Chloroacetic: CH2ClCOOH Dicholoroacetic: CHCl2COOH