50 gm of `CaCO_(3)` is allowed to react with 68.6 gm of `H_(2)PO_(4)` then select the correct option(s)-
`3CaCO_(3)+ 2H_(3)PO_(4) to Ca_(3)(PO_(4))_(2) + 3H_(2)O + 3CO_(2)`
A. 51.67 gm salt is formed
B. Amount of unreacted reagent =35.93 gm
C. `n_(CO_(2))`=0.5 moles
D. 0.7 moles `CO_(2)` is evolved