Approximately how many moles of N2 are there in 200 moles of clean air?

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Chemistry

1 July, 13:33

Approximately how many moles of N2 are there in 200 moles of clean air?

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Alessandra Barber · Answer 1

Well assuming that in air, the composition of gases that are molecular nitrogen or N2 is about 80 percent, then the moles of N2 would be 80 % of 200 or 0.8 of 200 moles which would be 160, about 160 moles of N2 are present in 200 moles of clean air.