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23-02-2021
Chemistry

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A sample of carbon monoxide gas occupies 224 L at STP. This sample contains how many grams of oxygen atoms?

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23-02-2021

Answer:

16 g.

Explanation:

The formula for carbon monoxide is CO.

So there is one atom of oxygen in the formula, therefore there is one mole of oxygen gas ( one mole occupies 22,4 L at STP)

One mole of oxygen atoms = atomic mass of oxygen in grams = 16 grams.

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