The percentage of nitrogen in air is:
Air - Composition and Molecular Weight
Air, composition of Earth's atmosphere by volume, excluding water vapor. Dry air contains nitrogen, oxygen, argon, carbon dioxide and other gases Stock Photo - Alamy
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Illustration. Infographics Of The Composition Of The Air. Nitrogen, Oxygen And Carbon Dioxide. Stock Photo, Picture And Royalty Free Image. Image 128508164.
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Air. Composition of Earth's atmosphere by volume, excluding water vapor. Dry air contains nitrogen, oxygen, argon, carbon dioxide and other gases Stock Photo - Alamy
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Molecules of oxygen and nitrogen, the main constituents of air: 78% nitrogen and 21% oxygen. Other gases are present in very small quantities Stock Photo - Alamy
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Air - Composition and Molecular Weight
