\(n_{Al}=\dfrac{m}{M}=\dfrac{5,4}{27}=0,2mol\)
2Al+3H2SO4\(\rightarrow\)Al2(SO4)3+3H2
\(n_{H_2}=\dfrac{3}{2}n_{Al}=\dfrac{3}{2}.0,2=0,3mol\)
\(V_{H_2}=n.22,4=0,3.22,4=6,72l\)
\(n_{H_2SO_4}=\dfrac{3}{2}n_{Al}=\dfrac{3}{2}.0,2=0,3mol\)
\(C_{M_{H_2SO_4}}=\dfrac{n}{V}=\dfrac{0,3}{0,1}=3M\)
\(n_{Al_2\left(SO_4\right)_3}=\dfrac{1}{2}n_{Al}=\dfrac{1}{2}.0,2=0,1mol\)
\(C_{M_{Al_2\left(SO_4\right)_3}}=\dfrac{n}{V}=\dfrac{0,1}{0,1}=1M\)