Fe+2HCl=FeCl2+H2
n(H2)=0,448:22,4=0,02;n(Fe)=0,02;m(Fe)=0,02*56=1,12;m(Fe2O3)=2,82-1,12=1,7;
w(Fe2O3)=1,7:2,82=0,6(60%)
Fe+2HCl=FeCl2+H2
n(H2)=0,448:22,4=0,02;n(Fe)=0,02;m(Fe)=0,02*56=1,12;m(Fe2O3)=2,82-1,12=1,7;
w(Fe2O3)=1,7:2,82=0,6(60%)