Na2O-NaOH-NaHSO4-Na2SO4

Question

Na2O-NaOH-NaHSO4-Na2SO4

Answer 1

в) Na2O + H2O = 2NaOH

NaOH + H2SO4 = NaHSO4 + H2O

NaHSO4 + NaOH = Na2SO4 + H2O

Na2SO4 =(t) Na2O + SO3

г) СaCO3 =(t) CaO + CO2

CaO + H2O = Ca(OH)2

Ca(OH)2 + 2H2CO3 = Ca(HCO3)2 + 2H2O

Ca(HCO3)2 =(t) CaO + 2CO2 + H2O