Determine the mass of sodium oxide that is formed in the sodium reaction of 11.2 liters of oxygen.
June 10, 2021 | education
| The sodium oxidation reaction is described by the following chemical reaction equation:
2Na + ½ O2 = Na2O;
From 2 mol of sodium, 1 mol of sodium oxide is synthesized. This consumes 0.5 mol of oxygen.
Let’s calculate the chemical amount of a substance in 11.2 liters of oxygen.
Under normal conditions, 1 mole of ideal gas assumes a volume of 22.4 liters.
N O2 = 11.2 / 22.4 = 0.5 mol;
With this amount of oxidizing agent, 1 mol of sodium oxide can be synthesized.
Let’s calculate its weight.
M Na2O = 23 x 2 + 16 = 62 grams / mol;
m Na2O = 62 x 1 = 62 grams;
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