\(Mg+2HCl\rightarrow MgCl_2+H_2\)
x______ 2x ____ x ______x
\(Fe+2HCl\rightarrow FeCl_2+H_2\)
y_____2y_______y______ y
\(\rightarrow\left\{{}\begin{matrix}24x+56=8\\x+y=\frac{4,48}{22,4}=0,2\end{matrix}\right.\rightarrow\left\{{}\begin{matrix}x=0,1\\y=0,1\end{matrix}\right.\)
\(\%m_{Mg}=\frac{0,1.24}{8}.100\%=30\%;\%m_{Fe}=100\%-30\%=70\%\)
\(n_{HC}=2.0,2+2.0,1=0,4\left(mol\right)\)
\(m_{Dd_{HCl}}=\frac{0,4.36,5}{14,6\%}=100\left(g\right)\)
\(C\%_{MgCl2}=\frac{0,1\left(24+71\right)}{8+100-0,2.2}=8,83\%\)
\(C\%_{FeCl2}=\frac{0,\left(56+71\right)}{8+100-0,2.2}.100\%=11,8\%\)