Question

A certain volume of oxgen diffused from a given apparatus in 125 secs.In the same conditions,the same volume of gas N,diffuse in 100 secs.Calculate the relative molecular mass of N.

Answer 1

see "Graham's Law of Diffusion"

Answer 2

I got 0.221 is the answer correct.

Answer 3

No. Does a molar mass of 0.221 sound reasonable? Remember H is the lightest element in the periodic table and it is 2 for H2. Maybe you have found a new element? Post your work if you want us to look for the error..

Answer 4

I need an answer