2.1 NaОН +НCI → NaCL+H2O
Na⁺+OH⁻+H⁺+CL⁻-->Na⁺+CL⁻+H2O
OH⁻+H⁺-->H2O
2.2 ВаCI 2 + Н 2 SO 4 → BaSO4+2HCL
Ba²⁺+2CL⁻+2H⁺+SO²⁻₄-->BaSO4+2H⁺+2CL⁻
Ba²⁺+SO²⁻₄-->BaSO4
2.3 CuSO4 + 2NaОН→ Cu(OH)2+Na2SO4
Cu²⁺+SO²⁻₄+2Na⁺+2OH⁻-->Cu(OH)2+2Na⁺+SO²⁻₄
Cu²⁺+2OH⁻-->Cu(OH)2
2.4 CH3COOН + KОН → CH3COOK+H2O
(CH3COO)⁻+H⁺+K⁺+OH⁻-->(CH3COO)⁻+K⁺+H2O
H⁺+OH⁻-->H2O
2.5 АgNO 3 + KCI→AgCL+KNO3
Ag⁺+NO⁻₃+K⁺+CL⁻-->AgCL+K⁺+NO⁻₃
Ag⁺+CL⁻-->AgCL
Объяснение:
2.1 NaОН +НCI → NaCL+H2O
Na⁺+OH⁻+H⁺+CL⁻-->Na⁺+CL⁻+H2O
OH⁻+H⁺-->H2O
2.2 ВаCI 2 + Н 2 SO 4 → BaSO4+2HCL
Ba²⁺+2CL⁻+2H⁺+SO²⁻₄-->BaSO4+2H⁺+2CL⁻
Ba²⁺+SO²⁻₄-->BaSO4
2.3 CuSO4 + 2NaОН→ Cu(OH)2+Na2SO4
Cu²⁺+SO²⁻₄+2Na⁺+2OH⁻-->Cu(OH)2+2Na⁺+SO²⁻₄
Cu²⁺+2OH⁻-->Cu(OH)2
2.4 CH3COOН + KОН → CH3COOK+H2O
(CH3COO)⁻+H⁺+K⁺+OH⁻-->(CH3COO)⁻+K⁺+H2O
H⁺+OH⁻-->H2O
2.5 АgNO 3 + KCI→AgCL+KNO3
Ag⁺+NO⁻₃+K⁺+CL⁻-->AgCL+K⁺+NO⁻₃
Ag⁺+CL⁻-->AgCL
Объяснение: