${A}{l} + {C}{u}{S}{O}_{4} → {A}{l}_{x}\left({{{S}...

Câu hỏi: ${A}{l} + {C}{u}{S}{O}_{4} → {A}{l}_{x}\left({{{S}{O}_{4}}}\right){y} + {C}{u}. Tìm {x}, {y}$

A. x=2, y=3

B. x=3,y=4

C. x=1, y=2

D. x=y=1