1) 1.2Zn+O2=2ZnO
2. ZnO+H2SO4=ZnSO4+H2O
3.ZnSO4+LiOH=Zn(OH)2+Li2SO4
4.Zn(OH)2+2HCl=ZnCl2+2H2O
2) 2Ba+O2=2BaO
BaO+LiOH=Ba(OH)2+H2O
Ba(OH)2+2HNO3=Ba(NO3)2+2H2O
Ba(NO3)2+H2SO4=BaSO4+2HNO3
Удачи
1) 1.2Zn+O2=2ZnO
2. ZnO+H2SO4=ZnSO4+H2O
3.ZnSO4+LiOH=Zn(OH)2+Li2SO4
4.Zn(OH)2+2HCl=ZnCl2+2H2O
2) 2Ba+O2=2BaO
BaO+LiOH=Ba(OH)2+H2O
Ba(OH)2+2HNO3=Ba(NO3)2+2H2O
Ba(NO3)2+H2SO4=BaSO4+2HNO3
Удачи