Question

Составьте уравнение реакции по схеме NaCl <--> Na --> NaOH --> Na2So4-->NaCLl -->NaNo3-->NaNo2

Answer 1

2Na + 2HCl = 2NaCl + H₂
NaCl + K = KCl + Na
2Na + 2H₂O = 2NaOH + H₂
2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O
Na₂SO₄ + BaCl₂ = 2NaCl + BaSO₄
NaCl + AgNO₃= NaNO₃ + AgCl
2NaNO₃ = 2NaNO₂ + O₂