解:Zn+H2SO4==ZnSO4+H2 Δ增65 98 161 2 63Y Z X 6.3解得:X=0.2gV(H2)=0.2/0.09=2.22LY=6.5gZ=16.1gc(ZnSO4)=16.1/106.3=15.15%