\(m_{Al_2O_3}=n.M=0,5.102=51\left(g\right)\\ m_{Fe_2O_3}=n.M=0,2.160=32\left(g\right)\\ \Rightarrow m_{hh}=51+32=83\left(g\right)\)
\(n_{hh}=0,2.0,5=0,7\left(mol\right)\\ \Rightarrow V_{hh}=n.22,4=0,7.22,4=15,68\left(l\right)\)
mAl2O3=0,5.(27.2+16.3)=51g
mFe2O3=0,2.(56.2+16.3)=32g
Vco2=0,2.22,4=4,48g
Vn2=0,5.22,4=11,2g