It takes a certain amt. of helium atoms 10. s to effuse through a porous barrier.?
It takes a certain amt. of helium atoms 10. s to effuse through a porous barrier. How long does it take the same amount of methane molecules to effuse through the same barrier under the same conditions?
- DineshLv 58 years agoFavorite Answer
Follow Graham's law of diffusion.square root of M2/M1=t2/t1
substitue the values and calculate the answer is 20 secSource(s): chemiphyindran.blogspot.com