One mole of oxygen gas at STP is equal to

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6.022×1023 molecules of oxygen

6.022×1023 atoms of oxygen

16 g of oxygen

32 a. m. u of oxygen

answer is A.

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Detailed Solution

I mole of O2 gas at STP = 6.022 x 1023 molecules of O2 (Avogadro number) Hence, I mole of oxygen gas is equal to Avogadro number.

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