A gas X diffuses twice as fast as gas Y. if the relative molecular mass of X is 32, calculate the relative molecular mass of Y. by Sunday | Sep 17 | Chemistry JAMB | 0 comments A. 128 B. 8 C. 16 D. 64 Correct Answer: Option A – 128 Users Also Read These:A given volume of methane diffuses in 20s. How long…The volume occupied by 1.58g of a gas at S.T.P is…If the relative molecular mass of an element is not…A machine of efficiency 80% is used to lift a box.…A gas X diffuse through porous partition at the rate…