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What is the percentage of Nitrogen in the atmosphere approximately?

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in Chemistry – Class 11 by (148k points)
What is the percentage of Nitrogen in the atmosphere approximately?

(a) 78.09

(b) 21

(c) 20

(d) 32

I have been asked this question during an internship interview.

My doubt stems from States of Matter in division States of Matter of Chemistry – Class 11

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The correct option is (a) 78.09

To explain: That composition of earth’s atmospheric gases is as follows; 78.09 percent of Nitrogen, 24.95 percent of oxygen, 0.93 percent of argon, 0.04 percentage of carbon dioxide and a small amount of water vapor and other gases in the atmosphere.

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