M (CuSO4)-500гW (CuSO4)-30%CuSO4+Zn=ZnSO4+Cum(Cu)-?

Question

M (CuSO4)-500г
W (CuSO4)-30%
CuSO4+Zn=ZnSO4+Cu
m(Cu)-?

Answer 1

M (CuSO4)=500*0,3=150г
m(Cu)=(150*61):157=58,3г.