Chemistry, asked by DhruvAggarwal8317, 1 year ago

How many moles of oxygen are contained in one litre of air if its volume content is 21% at ntp

Answers

Answered by shweta57

32

21 percent of 1 litre= 210ml.
1 mole of oxygen at NTP occupies 22.4
i.e. 22400ml

so, 22400ml= 1 mole
210ml =1/22400 x 210= 0.009375 mole

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