Chemistry, asked by sweetysoya, 11 months ago

The number of mole of oxygen in one litre of air containing 21% oxygen by volume,under standard conditions,is

Answers

Answered by waizbhat598

1

Answer: I mole of oxygen at STP occupies 22.4 l i.e 22.4 ×1000=22400 ml

So 22400 ml is equal to 1 mole

21℅of 1 litre = 210 ml

=> 210 ml = 1/22400×210 = 0.00935 mole

Explanation:

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