Preparation
Sodium oxide is produced by the reaction of sodium with sodium hydroxide, sodium peroxide, or sodium nitrite:
- 2 NaOH + 2 Na → 2 Na2O + H2
- Na2O2b>2O
- 2 NaNO2 + 6 Na → 4 Na2O + N2
Most of these reactions rely on the reduction of something by sodium, whether it is hydroxide, peroxide, or nitrite.
Burning sodium in air will produce Na2O and about 20% sodium peroxide Na2O2.
- 6 Na + 2 O2 → 2 Na2O + Na2O2
Alternatively, sodium carbonate can be heated to 851°C, producing carbon dioxide and sodium oxide.
- Na2CO3 → Na2O + CO2
Read more about this topic: Sodium Oxide
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