Write down the reaction equations: Na – Na2O – NaOH – Na2CO3

1) Sodium oxide is produced by the interaction of metallic sodium and oxygen:

2Na + 1 / 2O2 = Na2O.

2) Sodium oxide is the main oxide, therefore, like others, it interacts with water, resulting in a water-soluble base – sodium hydroxide.

Na2O + HOH = 2NaOH.

3) Sodium carbonate is produced by the interaction of carbon dioxide and sodium hydroxide:

2NaOH + CO2 = Na2CO3 + H2O.

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