a) PTHH: \(Fe_2O_3+3H_2\xrightarrow[]{t^o}2Fe+3H_2O\)
b) Theo ĐLBTKL: \(m_{Fe}+m_{H_2O}=m_{Fe_2O_3}+m_{H_2}=16+0,6=16,6\left(g\right)\)
=> \(\left\{{}\begin{matrix}m_{Fe}=\dfrac{56}{56+27}.16,6=11,2\left(g\right)\\m_{H_2O}=16,6-11,2=5,4\left(g\right)\end{matrix}\right.\)