Gọi : \(\left\{{}\begin{matrix}n_{Fe}=x\left(mol\right)\\n_{Al}=y\left(mol\right)\end{matrix}\right.\)⇒ 56x + 27y = 13,7(1)
\(Fe + 2HCl \to FeCl_2 + H_2\\ 2Al + 6HCl \to 2AlCl_3 + 3H_2\)
Theo PTHH :
\(n_{H_2} = x + 1,5y = \dfrac{24,64}{22,4} = 1,1(2)\)
Từ (1)(2) suy ra : x = -0,16<0
(Sai đề)