Equal weights of methane and oxygen are ...

Equal weights 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)/(3)`

B

`(1)/(2)`

C

`(2)/(3)`

D

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

Verified by Experts

The correct Answer is:

A

`P_("total") = X_(O_(2)) P_(O_(2)), (P_("total"))/(P_(O_(2)))=` fraction of total pressure exerted by `O_(2)`

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