HPO4 2-
Formula: Fe(H2PO4)2
Ca(H2PO4)2
In H2O the conjugate base is H2PO4-, being conjugated to the acid H3PO4. As well: H3PO4 is conjugated acid to the base H2PO4-.
Calcium dihydrogen phosphate is Ca(H2PO4)2
Formula: BaHPO4
dihydrogen phosphate --> PO4(-3) + 2H --> H2PO4(-1) magnesium dihydrogen phosphate --> Mg(2) + H2PO4(-1) --> Mg(H2PO4)2
HPO4 2-
Cu(H2PO4)2
Ca(H2PO4)2
Sr3(PO4)2
Formula: Fe(H2PO4)2
Ca(H2PO4)2
Ca(H2Po4)2
Formulas are: CuH2PO4 and Cu(H2PO4)2.
Ca(H2PO4)2(s)+2CaSO4.2H2O(s)
This chemical formula is Sr(H2PO4)2.