Решите с помощью реакции ионного обмена: 1. MgCl2 (MgSo4)+NaOH 2. Na2 S+H2 So43. Zn So4+NaOH4. K2 Co3+HCL

1. MgCl2+2NaOH=Mg (OH) 2+2NaClMg+2Cl+2Na+2OH=Mg (OH) 2+2Na+2ClMg+2OH=Mg (OH) 22.Na2S+H2SO4=Na2SO4+H2S2Na+S+2H+SO4=2Na+SO4+H2SS+2H=H2S3. ZnSO4+2NaOH=Zn (OH) 2+Na2SO4Zn+SO4+2Na+2OH=Zn (OH) 2+2Na+SO4Zn+2OH=Zn (OH) 24. K2CO3+2HCl=2KCl+H2O+CO22K+CO3+2H+2Cl=2K+2Cl+H2O+CO2CO3+2H=H2O+CO2