Gọi trong 11g hh có :
\(\left\{{}\begin{matrix}n_{Al}:x\left(mol\right)\\n_{Fe}:y\left(mol\right)\end{matrix}\right.\left(x,y>0\right)\)
\(\Rightarrow27x+56y=11\left(g\right)\left(1\right)\)
\(n_{H2}=\frac{8,96}{22,4}=0,4\left(mol\right)\)
\(2Al+6HCl\rightarrow2AlCl_3+3H_2\)
x ___________x__________1,5x _(mol)
\(Fe+2HCl\rightarrow FeCl_2+H_2\)
y___________ y_________y _____(mol)
Từ PT : \(1,5x+y=0,4\left(mol\right)\left(2\right)\)
Từ (1) (2)\(\Rightarrow\left\{{}\begin{matrix}x=0,2\left(mol\right)\\y=0,1\left(mol\right)\end{matrix}\right.\)
\(\Sigma m=m_{AlCl3}+m_{FeCl2}=133,5.0,2+127.0,1=39,4\left(g\right)\)
