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If the components of air are N2 ,78%, O2 , 21% ; Ar, 0.9% and CO2 , 0.1% by volume, what will be the molecular weight of air ?

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If the components of air are N2 ,78%, O2 , 21% ; Ar, 0.9% and CO2 , 0.1% by volume, what will be the molecular weight of air ?

(a)   28.9

(b)   32.4

(c)  16.4

(d)   14.5

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1 Answer

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Correct option  (a) 28.9

Explanation:

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