2Al+3H2SO4=Al2(SO4)3+3H2
n(Al)=m/M=21.6/27=0.8 моль
n(H2)=0.8/2*3=1.2 моль
V(H2)=n*Vm=1.2*22.4=26.88л
2Al+3H2SO4=Al2(SO4)3+3H2
n(Al)=m/M=21.6/27=0.8 моль
n(H2)=0.8/2*3=1.2 моль
V(H2)=n*Vm=1.2*22.4=26.88л