\(Cl_2+H_2\rightarrow2HCl\)
\(Zn+2HCl\rightarrow ZnCl_2+H_2\)
\(ZnCl_2+Ba\left(OH\right)_2\rightarrow Zn\left(OH\right)_2+BaCl_2\)
\(Zn\left(OH\right)_2+2HCl\rightarrow ZnCl_2+2H_2O\)
Cl2+H2→2HClCl2+H2→2HCl
Zn+2HCl→ZnCl2+H2Zn+2HCl→ZnCl2+H2
ZnCl2+Ba(OH)2→Zn(OH)2+BaCl2ZnCl2+Ba(OH)2→Zn(OH)2+BaCl2
Zn(OH)2+2HCl→ZnCl2+2H2O