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:The density of a certain gas is 1.98gdm−³ at s.t.p.…Chlorine consisting of two isotopes of mass number…A hydrogen chloride gas reacted with oxygen gas to…If the relative molecular mass of an element is not…What is the relative molecular mass of a compound…