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Question: Equal weights of methane and oxygen are mixed in an empty container at ![](https://cdn.pureessence.t...

Equal weights of methane and oxygen are mixed in an empty container at . The fraction of the total pressure exerted by oxygen is

A

1/3

B

1/2

C

2/3

D

1/3×273/2981 / 3 \times 273 / 298

Answer

1/3

Explanation

Solution

p(O2)=w/32w/16+w/32=12+1=13p \left( O _ { 2 } \right) = \frac { w / 32 } { w / 16 + w / 32 } = \frac { 1 } { 2 + 1 } = \frac { 1 } { 3 }