Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?

Equal masses of methane and oxygen are mixed in empty container at 250

1.	Equal masses of methane and oxygen are mixed in empty container at 250?(C) The fraction of total pressure exerted by oxygen is___________________?
A.	one / seventeen
B.	sixteen / seventeen
C.	one / three
D.	two / three
Answer» D. two / three