Chemistry, asked by manyay513, 7 months ago

Air contains 23% oxygen and 77% nitrogen by
weight. The percentage of O, by volume is
(1 28.1
(2) 20.7
(3 21.8
(4) 23.0

Answers

Answered by Royalgungun

2

Explanation:

(3) 21.8

Is the correct answer

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