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InterviewSolution
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At STP, air contains 22.4% by volume ofoxygen. The no.of moles of oxygen presentin 1 litre of air are1) 0.13) 12) 0.014) 2 |
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Answer» At standard conditions, 1 liter of air at 21% oxygen possesses 0.21 L of oxygen. Since at STP 1 mole of gas occupies 22.4 L, simply divide 0.21/22.4, to arrive at 0.0094 moles of oxygenOption b is correct |
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