Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Equal masses of methane and oxygen are mixed in an empty container at 25 0 C. The fraction of the total pressure exerted by oxygen is
A
1/3
B
1/2
C
2/3
D
× 
Text Solution
Verified by ExpertsThe correct answer is:
A
Let the mass of methane and oxygen be m gm. Mole fraction of oxygen xo2
Let the total pressure be P.
Partial pressure of O2, Po2 = P× xo2
P × 
= 
P.
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