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

Correct Answer - A
Mole fraction of oxygen `(x_(O_(2)))`
`= ((W)/(32))/((W)/(32) + (W)/(16)) = ((1)/(32))/((1)/(32)+(1)/(16))=1/3`
`pO_(2) prop` mole fraction
`:. pO_(2) = 1/3` of the total pressure.

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

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