Same chapter3 marksDifficulty: Medium
Why do real gases deviate from ideal behaviour, and under what conditions is the deviation least?
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Calculate the density of oxygen gas at S.T.P. (O = 16)
Original Khojo Papers practice question — not from a past board paper.
Answer
About 1.43 g dm−3
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
One mole of oxygen, 32 g, occupies 22.4 dm3 at S.T.P., so the density is 32 ÷ 22.4 ≈ 1.43 g dm−3.
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