\(2Zn+O_2\rightarrow2ZnO\)
\(ZnO+2HCl\rightarrow ZnCl_2+H_2O\)
\(ZnCl_2+2KOH\rightarrow Zn\left(OH\right)_2+2KCl\)
\(Zn\left(OH\right)_2+H_2SO_4\rightarrow ZnSO_4+2H_2O\)
Đúng 0
Bình luận (2)
2Zn +O2--->2ZnO
ZnO+2HCl--->ZnCL2+H2O
ZnCL2+2KOH--->Zn(OH)2+2KCl
Zn(OH)2+H2SO4--->ZnSO4+2H2O
Đúng 0
Bình luận (2)
\(2Zn+O_2-^{t^o}\rightarrow2ZnO\)
\(ZnO+2HCl\rightarrow ZnCl_2+H_2\uparrow\)
\(ZnCl_2+2KOH_{\left(vừa-đủ\right)}\rightarrow Zn\left(OH\right)_2+2KCl\)
\(Zn\left(OH\right)_2+H_2SO_4\rightarrow ZnSO_4+2H_2O\)
Đúng 0
Bình luận (0)