Equal masses of methane and oxygen are mixed in an empty container at

CHEMISTRY · Single correct · A Level · Chemistry · Amount of substance · Amount of substance

Problem

25^\circ\text{C}

. The fraction of the total pressure exerted by oxygen is : (1)

1/3

(2)

1/2

(3)

2/3

(4)

\frac{1}{3} \times \frac{273}{298}