Mg + H2SO4=MgSO4+H2
1 1
n(H2)=2,016 : 22,4=0,09; m(Mg)=0,09*24=2,16; m(Al)=2,16; n(Al)=2,16 : 27=0,08;
2Al+3H2SO4=Al2(SO4)3+3H2
2 3
n(H2)=0,08*1,5=0,12; V(H2)=0,12*22,4=2,688л;
Mg + H2SO4=MgSO4+H2
1 1
n(H2)=2,016 : 22,4=0,09; m(Mg)=0,09*24=2,16; m(Al)=2,16; n(Al)=2,16 : 27=0,08;
2Al+3H2SO4=Al2(SO4)3+3H2
2 3
n(H2)=0,08*1,5=0,12; V(H2)=0,12*22,4=2,688л;