2010 USNCO Local #15: Diffusion
Source:
November 23, 2012
Problem Statement
A gas diffuses one-third as fast as \ce{O2} at . This gas could be: (A)\hspace{.05in}\text{He (M=4)}\qquad(B)\hspace{.05in}\ce{C2H5F}(\text{M=48})
\qquad(C)\hspace{.05in}\ce{C7H12}\text{(M=96)}\qquad(D)\hspace{.05in}\ce{C5F12}\text{(M=288)}\qquad