In a titration, 25.18 mL of monoprotic weak base HA is neutralized with 25.18 mL of 0.502 M NaOH. Calculate the ratio of [A-] to [HA] after 12.59 mL of 0.502 M NaOH has been added to the initil amount of HA.
B) at the equivalence point, you have a solution of what salt?