2NaCl+2H2O =电解=2 NaOH +H2 +Cl2
CaCO3=高温=CaO +CO2
CaO +H2O =Ca(OH)2
2Cl2 +2Ca(OH)2 = CaCl2 +Ca(ClO)2 +2H2O
工业上制取漂白粉的最初原料是NaCl和CaCO3.请解释原因.
2NaCl+2H2O =电解=2 NaOH +H2 +Cl2
CaCO3=高温=CaO +CO2
CaO +H2O =Ca(OH)2
2Cl2 +2Ca(OH)2 = CaCl2 +Ca(ClO)2 +2H2O