Equal masses of ethane and hydrogen are mixed in any empty container at 25°C. The fraction of total pressure exerted by hydrogen is

Equal masses of ethane and hydrogen are mixed in any empty

1.	Equal masses of ethane and hydrogen are mixed in any empty container at 25°C. The fraction of total pressure exerted by hydrogen is
A.	1: 2
B.	1 : 1
C.	1 : 16
D.	15: 16
Answer» E.