Question

将一定质量的金属锌跟100ml 18.3mol/L浓硫酸完全反应,使Zn完全溶解,生成的气体在标况下为22.4L,

Answer 1

1.Zn + 2H2SO4 = ZnSO4 + SO2 + 2H2O

xmol 2x x

Zn + H2SO4 = ZnSO4 + H2

ymol y y

n(H+)=2n(H2SO4)=1mol/L *1L = 1mol

n(H2S...