i just put
H2PO4 + H20 --> HPO4 + H3O+
proton donor hence acid
H2PO4 + H20 --> H3PO4 + OH-
proton acceptor hence base...
that was all ... amphiprotic do occur under different conditions.. but ur going to have trouble getting pure OH and pure H30 conditions to occur in any situation... the solution ur still adding ur H2PO4 to is gonna be water... u cant add it to either OH- or H3O+.... if some1 can correct me plz do so coz i just spoke complete bs..
H2PO4 + H20 --> HPO4 + H3O+
proton donor hence acid
H2PO4 + H20 --> H3PO4 + OH-
proton acceptor hence base...
that was all ... amphiprotic do occur under different conditions.. but ur going to have trouble getting pure OH and pure H30 conditions to occur in any situation... the solution ur still adding ur H2PO4 to is gonna be water... u cant add it to either OH- or H3O+.... if some1 can correct me plz do so coz i just spoke complete bs..