Rank the following titrations in order of increasing pH at
the equivalence point of the titration
(1 = lowest pH and 5 = highest pH).
200.0 mL of 0.100 M
(C2H5)2NH (Kb =
1.3 x 10-3) by 0.100 M HCl
100.0 mL of 0.100 M KOH by 0.100 M HCl
200.0 mL of 0.100 M
H2NNH2 (Kb = 3.0 x
10-6) by 0.100 M HCl
100.0 mL of 0.100 M HNO2 (Ka = 4.0
x 10-4) by 0.100 M NaOH
200.0 mL of 0.100 M
HC2H3O2 (Ka =
1.8 x 10-5) by 0.100 M NaOH