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The number of molecules and moles in 2.8375 litres of O 2 at STP are respectively

1. 7.527 × 10 23 and 0.125 mol
2. 7.527 × 10 22 and 0.250 mol
3. 1.505 × 10 23 and 0.250 mol
4. 7.527 × 10 22 and 0.125 mol

Correct answer: 7.527 × 10 22 and 0.125 mol

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