A gas X diffused through a porous partition at the rate of 3cm^3 per seconds. Under the same condition, hydrogen diffused at the rate of 15cm^3. What is the RMM of X?

Answer 1

(rate X/rate H2) = sqrt (RMM H2/RMM X)
(3/15) = (2.016/RMM X)
Sove for RMM X. Post your work if you get stuck.