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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

`1:8`

B

`3:16`

C

`1:4`

D

`7:32`

Text Solution

Verified by Experts

The correct Answer is:
D
Moles of `O_(2)=(w)/(32)`
Moles of `N_(2) =(4w)/(28)`
`(n_(O_(2)))/(n_(N_(2)))=(w)/(32)xx(28)/(4w)=(7)/(32)`
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