a, \(PTHH:2Al+6HCl\rightarrow2AlCl_3+3H_2\)
___________0,02_____________0,02_____0,03___
b, Ta có:
\(n_{Al}=\frac{0,54}{27}=0,02\left(mol\right)\)
\(\Rightarrow m_{AlCl3}=0,02.133,5=2,67\left(g\right)\)
\(\Rightarrow V_{H2}=0,03.22,4=0,672\left(l\right)\)