consider the following acids and their dissociation constants: a. HPO4^2-(aq) +H20(l)<> H3O+(aq) + PO4^3-(aq) Ka=2.2*10^-13 HCOOH (aq) + H2O(l)<> H3O+(aq) + HCOO-(aq) Ka= 1.8*10^-4 A. which is the weaker acid, HPO4^2- or HCOOH? B. what is the conjuate base of HPO4^2- C. Which acid has the weaker conjugate base? D. which acid has the stronger conjuate base? E. which acid produces more ions?