Question

Na-Na2O2-Na2O-NaOH

NaCl-Na

Answer 1

Ответ:

2Na + O2 = Na2O2

2Na + Na2O2 = 2Na2O

Na2O + H2O = 2NaOH

Объяснение:

NaCl → Na → NaOH → Na₂CO₃ → NaHCO₃ → CO₂ → Na₂CO₃