1)AlBr3+Na3PO4 -->AlPO4+3NaBr
Al³⁺+3Br⁻+3Na⁺+PO²⁻₄-->AlPO4↓+3Na⁺+3Br⁻
Al³⁺+PO²⁻₄-->AlPO4↓
2) PB(NO3)2+K2SO3 -->PbSO3↓+2KNO3
Pb²⁺+2NO²⁻₃+2K⁺+SO²⁻₃-->PbSO3↓+2K⁺+2NO²⁻₃
Pb²⁺+SO²⁻₃-->PbSO3↓
3) Sn(SO4)2+Na2S -->SnS2↓+Na2SO4
Sn⁴⁺+SO²⁻₄+2Na⁺+S²⁻-->SnS2↓+2Na⁺+SO²⁻₄
Sn⁴⁺+S²⁻-->SnS₂↓
4) (NH4)2SO4+2NaOH -->Na2SO4+2NH3↑+2H2O
2NH⁺₄+SO²⁻₄+2Na⁺+2OH⁻-->2Na⁺+SO²⁻+2NH3↑+2H2O
2NH⁺₄+2OH⁻-->2NH3↑+2H2O
5) Na2CO3+2HCL-->2NaCL+H2O+CO2↑
2Na⁺+CO²⁻₃+2H⁺+2CL⁻-->2Na⁺+2CL⁻+H2O+CO2↑
CO²⁻₃+2H⁺-->H2O+CO2↑
Объяснение:
