2Al+6HCl=2AlCl3+3H2
n(H2)=10,08:22,4=0,45моль;n(Al)=0,3моль;m(Al)=0,3*27=8,1г;w(Al)=8,1::11,25=0,72(72%)
2Al+6HCl=2AlCl3+3H2
n(H2)=10,08:22,4=0,45моль;n(Al)=0,3моль;m(Al)=0,3*27=8,1г;w(Al)=8,1::11,25=0,72(72%)