\(Cl_2+H_2\rightarrow2HCl\)
\(2HCl+Zn\rightarrow ZnCl_2+H_2\)
\(ZnCl_2+2OH\rightarrow Cl_2+Zn\left(OH\right)_2\)
\(Zn\left(OH\right)_2+2HCl\rightarrow2H_2O+ZnCl_2\)
H2 + Cl2 -> (ánh sáng) 2HCl
Zn + 2HCl -> ZnCl2 + H2
ZnCl2 + 2NaOH -> Zn(OH)2 + 2NaCl
Zn(OH)2 + 2HCl -> ZnCl2 + 2H2O