1000 Atm of Dry Nitrogen, Placed in a Container Having

Multiple Choice

1.000 atm of dry nitrogen, placed in a container having a pinhole opening in its side, leaks from the container 2.28 times faster than does 1.000 atm of an unknown gas placed in this same apparatus. Which of the following species could be the unknown gas?

A) NH₃
B) C₄H₁₀
C) SF₆
D) UF₆
E) Rn