Acid: Pka:

H20 15.7
NH3 38
HCL -8
NH4+ 9.2

Given the list of pKa values, which acid will have the largest amount of conjugate base present in the solution at equilibrium?

H2O

NH3

NH4+

HCl

3 answers

Convert those pKa values to Ka, then write the ionizaton equation, write the Ka expression and see which has the largest base value.
Thanks! So the answer is HCl, right?
right