1.

What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25 C ?

A. 2/3
B. 1/3
C. 1/2
D. l/3 x
E. <img src="/_files/images/chemical-engineering/stoichiometry/85-273-1.png">
Answer» C. 1/2


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