Question

the number of mole of Oxygen in one litre of air containing 21% oxygen by volume under standard conditions is ?​

Answer 1

Answer:

One litre of gas consist of 1/22.4 moles.

And if 21% of it is oxygen then it means

Moles of oxygen = (1/22.4)*(21/100) 0.009375 moles

of oxygen

Explanation:

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