\(n_{Fe_2O_3}=\dfrac{8}{160}=0,05\left(mol\right)\)
PT: \(Fe_2O_3+3H_2\underrightarrow{t^o}2Fe+3H_2O\)
\(n_{Fe\left(LT\right)}=2n_{Fe_2O_3}=0,1\left(mol\right)\Rightarrow m_{Fe\left(LT\right)}=0,1.56=5,6\left(g\right)\)
\(\Rightarrow H=\dfrac{4,2}{5,6}.100\%=75\%\)
\(n_{Fe_2O_3}=\dfrac{8}{160}=0,05\left(mol\right)\)
PTHH :
\(Fe_2O_3+3H_2\underrightarrow{t^o}2Fe+3H_2O\)
0,05 0,1
\(m_{Fe\left(LT\right)}=0,1.56=5,6\left(g\right)\)
\(H=\dfrac{4,2}{5,6}.100\%=75\%\)