how do I find out how much oxygen is in the air?

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It's for a science project.

2007-01-04 10:18:50 · 4 answers · asked by allisonallydavashley 3 in Education & Reference ➔ Homework Help

21%

2007-01-04 10:25:04 · answer #1 · answered by TheApocalypticOrgasm 6 · 0⤊ 0⤋

Room air is 21 % oxygen.

2007-01-04 18:26:21 · answer #2 · answered by parrothead2371 6 · 0⤊ 0⤋

Look in a science book or on the internet? Do you mean a specific experiment?

2007-01-04 18:27:00 · answer #3 · answered by Anonymous · 0⤊ 0⤋

its around 20% i think its 21%

2007-01-04 18:21:39 · answer #4 · answered by Zaza 5 · 0⤊ 0⤋