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14-06-2020
Chemistry

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

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14-06-2020

Answer:

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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