A gas X diffuses through a porous plug 1.5 times faster than SO2 (molar mass 64) under identical conditions. The molar mass of X is nearest to

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A gas X diffuses through a porous plug 1.5 times faster than $SO X_{2}$ (molar mass 64) under identical conditions. The molar mass of X is nearest to

Graham's law:

\frac{r _{X}}{r _{SO X_{2}}} = \frac{64}{M _{X}} = 1.5

. So

M_{X} = \frac{64}{2.25} = 28.4

, nearest to

28

(e.g.

N X_{2}

CO