Question

Finding out how much nitrogen is in a sample of air

Answer 1

Answer:

Air is composed of 78 percent nitrogen. Oxygen accounts for 21 percent, and the inert noble gas argon makes up 0.9 percent of the air.

Explanation:

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Answer 2

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Air is composed of 78 percent nitrogen. Oxygen accounts for 21 percent, and the inert noble gas argon makes up 0.9 percent of the air.

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