Asked by Anonymous666

Assuming air to be a mixture of gasses by volume of 20% oxygen and 80% nitrogen,(Both diatomic gasses), calulate the mass of 1dm cube of air at STP?.
Answered by DrBob222
N2 is 28 x 0.80 = approx 23
O2 is 32 x 0.20 = approx 6
Total approx 29


Answered by Emmanuel Agus
not sure at all for the correct answer
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