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Equal masses of methane and oxygen are m...

Equal masses of methane and oxygen are mixed in an empty container at `25^(@)C`. The fraction of the total pressure exerted by oxygen is

A

`1"/"2`

B

`2"/"3`

C

`(1)/(3)xx (273)/(298)`

D

`1"/"3`

Text Solution

Verified by Experts

The correct Answer is:
D
`P_(O_2)= chi_(O_2) xx P implies chi_(O_2)= ((x)/(32))/((x)/(32)+(x)/(16))=(1)/(3)impliesP_(o_2)= (1)/(3)P`
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