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How much of each gas is there in 100cm3 air?
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How much of each gas is there in 100cm3 air?

User Al Hennessey
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Dry air contains 78% nitrogen , 21% oxygen and 1%noble gases.
User Jacob Holloway
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Each 100 cm3 of air, constitutes 78cm3 nitrogen, 21cm3 oxygen and 1cm3 constitutes of other gases like Argon, ozone, carbon dioxide and water vapour in small amounts.
User Carl Russmann
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