Chemistry, asked by Aniamgailiang4791, 11 months ago

How many moles of oxygen are contained in 1 litre of air if its volume contents is 21% at stp?

Answers

Answered by waizbhat598

1

Answer:1 mole of oxygen at STP contains 22.4 l =22.4×1000=22400ml

So 22400 ml =1 mole

21℅ of 1 litre =210 ml

=> 210 ml =1/22400×210=0.009375 moles

Explanation:

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