Zn + 2HCl = ZnCl2 + H2↑
65 2
x 300-297=3g
x=97.5g
锌的反应率=97.5/100=97.5%
Zn + 2HCl = ZnCl2 + H2↑
65 2
y 22.4X0.09=2g
y=65g
锌样品的纯度=65/70=92.9%
Zn + 2HCl = ZnCl2 + H2↑
65 2
x 300-297=3g
x=97.5g
锌的反应率=97.5/100=97.5%
Zn + 2HCl = ZnCl2 + H2↑
65 2
y 22.4X0.09=2g
y=65g
锌样品的纯度=65/70=92.9%