contestada

Which is a correctly balanced chemical equation?

A. 3CuBr2 + 2Al → 2AlBr3 + 3Cu

B. 2CuBr2 + 3Al → 3AlBr3 + 2Cu

C. 2CuBr2 + Al → AlBr3 +2Cu

D. CuBr2 + 2Al → 2AlBr3 +Cu

Respuesta :

A
There are 3 Cu on both side, 6 Br on both side (3x2) and 2 Al on both side

B has 4 Br on left and 9 Br on right
C has 4 Br on left and 3 Br on right
Answer= A
:)

Otras preguntas