Identify the acid and base on the left side of the following equations and identify their conjugate species on the right side: a)H3PO4(aq)+H2O(l)<>H3O^+(aq)+H2PO4^-(aq). b)CO3^2-(aq)+H2O(l)<>OH^-(aq)+HCO3^-(aq). c)H3PO4(aq)+NH3(aq)<>NH4^+H2PO4^-(aq). d)HNO2(aq)+CH3-CH2-NH2(aq)<>NO2^-(aq)+CH3-CH2-NH3^+(aq).