Question

Напишите уравнение реакции.
Ca-Ca(OH)2-Ca(NO3)2-CaSO3-SO2-H2SO3-Na2SO3

Answer 1

CaO + H₂O = Ca(OH)₂

Ca(OH)₂ + 2HNO₃ = Ca(NO₃)₂ + 2H₂O

Ca(NO₃)₂ + Na₂SO₃ = CaSO₃↓ + 2NaNO₃

CaSO₃ + H₂SO₄ = CaSO₄ + SO₂↑ + H₂O

SO₂ + H₂O ⇄ H₂SO₃

H₂SO₃ + 2NaOH = Na₂SO₃ + 2H₂O