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A gases mixture contains oxygen and nitr...

A gases mixture contains oxygen and nitrogen in the ratio `1 : 4` by weight. Therefore, the ratio of the number of molecules is:

A

`1:4`

B

`1:8`

C

`7:32`

D

`3:16`

Text Solution

Verified by Experts

The correct Answer is:
C
`{:(,O_(2),N_(2)),("mass :- ",w,4w),("moles :- ",(w)/(32),(4w)/(28)=(w)/(7)):}`
Ratio of moles = Ratio of molecules
`=((w//32))/((w//7))=7:32`
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