Question

What is the volume of oxygen

Answer 1

Answer:

20.95%

Explanation:

By volume, dry air contains 78.09% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other gases.

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Answer 2

Answer:

Hence volume of oxygen gas measured at 0oC and 1atm, ineeded to burn completely 1L of propane gas (C3H8) under the same conditions is 5L.

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