Cu+4HNO3=Cu(NO3)2+2NO2+2H2O
1 2
n(NO2)=1,12/22,4=0,05моль; n(Cu)=0,05:2=0,025моль; m(Cu)=0,025*64=1,6г;
m(CuO)=10-1,6=8,4г;
Cu+4HNO3=Cu(NO3)2+2NO2+2H2O
1 2
n(NO2)=1,12/22,4=0,05моль; n(Cu)=0,05:2=0,025моль; m(Cu)=0,025*64=1,6г;
m(CuO)=10-1,6=8,4г;