MG MG2++2E ZN ZN2++2E

1, - KGBAI 1 DAP AN DAI CUONG VE KIM LOAI
KGBAI 1 DAP AN DAI CUONG VE KIM LOAI

1,2 2,4 x 2x

Ag

+

+1e Ag Cu

2+

+2e Cu

1 1 2 4

Tho mãn đ ra thì 2,4+2x<1+4 hay x<1,3(mol)