Jawabanmu

2014-03-12T19:27:07+07:00
Zn + HCl => ZnCl2 + H2
jadi
Zn + 2HCI => ZnCI2 + H2
(c)
1 4 1
2014-03-12T19:49:41+07:00
1Zn + 2HCl = 1ZnCl₂ + 1H₂
p= 1,    q=2,      r=1      s=1
1 5 1