Объяснение:
FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl
CaO + CO2 = CaCO3
CaO + H2O = Ca(OH)2
CaO + 2HCl = CaCl2 + H2O
CuO + 2HCl = CuCl2 + H2O
CO2 + H2O = H2CO3
CO2 + 2NaOH = Na2CO3 + H2O
NaOH + HCl = NaCl + H2O
Объяснение:
FeCl3 + 3NaOH = Fe(OH)3↓ + 3NaCl
CaO + CO2 = CaCO3
CaO + H2O = Ca(OH)2
CaO + 2HCl = CaCl2 + H2O
CuO + 2HCl = CuCl2 + H2O
CO2 + H2O = H2CO3
CO2 + 2NaOH = Na2CO3 + H2O
NaOH + HCl = NaCl + H2O