What is the most accurate percentage of Oxygen? - ProProfs Discuss
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What is the most accurate percentage of Oxygen?



This question is part of Form 1 Science Quiz
Asked by Coulter, Last updated: Jul 10, 2018

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2 Answers

f.Brian

F.Brian

Answered on Jan 19, 2018

The accurate percentage of Oxygen in the atmosphere is around 20.8%. The earth’s atmosphere consists of various different gases all of which are present in different quantities. For instance, the composition of nitrogen in the air is about 78.09% and carbo dioxide is only present in trace amounts of 0.04%.

Apart from the gases, air also contains some amount of water vapor. The earth’s atmosphere could be considered as a mixture of various different gases. Please note that it is not a compound, rather a mixture of gases. Air also contains some amount of noble gases that are chemically unreactive.

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John Smith

John Smith

Answered on Nov 29, 2016

20.8%
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