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Air contains nitrogen and oxygen in the ...

Air contains nitrogen and oxygen in the volume ratio of `4:1`. The average molecular weight of air is

A

30

B

28

C

32

D

28.8

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The correct Answer is:
D
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AAKASH SERIES-STOICHIOMETRY-PRACTICE EXERCISE
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  12. Which of the following contains the maximum number of atoms?

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  13. Which of the following contains the least number of molecules ?

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  14. Which of the following has the least mass?

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  16. {:("LIST - 1","LIST-2"),("A) 1 mole of","1) 44 g of oxide"),("lead nit...

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