(1) C +O2 = CO2 m(C)=(0.3/44)*12=0.082g
a%(Fe)=(15-0.082)/15.0*100%=99.47% 是钢
(2) Fe2O3 2Fe m(Fe2O3)=40*(10^6)*60% =24*10^6 g
m(Fe)=(24*10^6)*56*2/160=168*10^5 g =16.8 t
m(生铁)=16.8/94%=17.5 t
(1) C +O2 = CO2 m(C)=(0.3/44)*12=0.082g
a%(Fe)=(15-0.082)/15.0*100%=99.47% 是钢
(2) Fe2O3 2Fe m(Fe2O3)=40*(10^6)*60% =24*10^6 g
m(Fe)=(24*10^6)*56*2/160=168*10^5 g =16.8 t
m(生铁)=16.8/94%=17.5 t