а) CaO + 2HCl → CaCl2 + H2O
б) H2SO4 + 2NaOH → Na2SO4 + 2H2O
в) 3NaOH + FeCl3 → Fe(OH)3 + 3NaCl
г) Na2O+H2O=2NaOH
CaO + 2HCl — CaCl2 + H2O
H2SO4 + 2NaOHNa2SO4 + 2H2O
3NaOH + FeCl3 Fe(OH)3 + 3NaCl
Na2O+H2O=2NaOH
а) CaO + 2HCl → CaCl2 + H2O
б) H2SO4 + 2NaOH → Na2SO4 + 2H2O
в) 3NaOH + FeCl3 → Fe(OH)3 + 3NaCl
г) Na2O+H2O=2NaOH
CaO + 2HCl — CaCl2 + H2O
H2SO4 + 2NaOHNa2SO4 + 2H2O
3NaOH + FeCl3 Fe(OH)3 + 3NaCl
Na2O+H2O=2NaOH