\(m_{Fe}=\dfrac{1,6}{160}=0,01\left(mol\right)\\ pthh:Fe_2O_3+3H_2\underrightarrow{t^o}2Fe+3H_2O\)
0,01 0,03 0,02
=> \(V_{H_2}=0,03.22,4=0,672\left(l\right)\\
m_{Fe}=0,02.56=1,12\left(g\right)\)
\(n_{Fe_2O_3}=\dfrac{1,6}{160}=0,01\left(mol\right)\)
PTHH: Fe2O3 + 3H2 --to--> 2Fe + 3H2O
0,01---->0,03------->0,02
\(\rightarrow\left\{{}\begin{matrix}a,V_{H_2}=0,03.22,4=0,672\left(l\right)\\b,m_{Fe}=0,02.56=1,12\left(g\right)\end{matrix}\right.\)