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21 May, 11:14

What is the mass by precent of oxygen in carbon dioxide (co2)

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  1. 21 May, 11:38
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    Oxygen has a molar mass of 16.0 g mol-1, so 1 mole of oxygen atoms has a mass of 16.0 g. Therefore, carbon dioxide has a percent composition of 72.7% oxygen, i. e. for every 100 g of carbon dioxide you get 72.7 g of oxygen
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