\(n_{Al}=\dfrac{2.7}{27}=0.1\left(mol\right)\)
\(2Al+6HCl\rightarrow2AlCl_3+3H_2\)
\(0.1........0.3............0.1......0.15\)
\(m_{HCl}=0.3\cdot36.5=10.95\left(g\right)\)
\(m_{AlCl_3}=0.1\cdot133.5=13.35\left(g\right)\)
\(V_{H_2}=0.15\cdot22.4=3.36\left(l\right)\)