a) PTHH: 2Al + 6HCl \(\rightarrow\) 2AlCl3 + 3H2\(\uparrow\)
b) nAl = \(\frac{10,8}{27}=0,4\left(mol\right)\)
Theo PT: n\(H_2\) =\(\frac{3}{2}n_{Al}\) = \(\frac{3}{2}\).0,4 = 0,6(mol)
=> V\(H_2\) = 0,6.22,4 = 13,44 (l)
d) Theo PT: n\(AlCl_3\) = nAl = 0,4 (mol)
=> m\(AlCl_3\) = 0,4.133,5 = 53,4(g)