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:If the relative molecular mass of an element is not…The density of a certain gas is 1.98gdm−³ at s.t.p.…Chlorine consisting of two isotope of mass number 35…If the relative molecular mass of an element is not…Which of the following is the relative molecular…