contestada

Which chemical equation is balanced?

A.
2PCl5 + 2H2O → 2HCl + H3PO4

B.
PCl5 + H2O → HCl + H3PO4

C.
PCl5 + 3H2O → 5HCl + H3PO4

D.
PCl5 + 4H2O → 5HCl + H3PO4