States of Matter 1 Question 30
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30. The rate of diffusion of methane at a given temperature is twice that of a gas $X$. The molecular weight of $X$ is
======= ####30. The rate of diffusion of methane at a given temperature is twice that of a gas $X$. The molecular weight of $X$ is
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed (a) 64.0
(b) 32.0
(c) 4.0
(d) 8.0
(1990, 1M)
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Solution:
- $\frac{r_{\mathrm{CH}{4}}}{r{X}}=2=\sqrt{\frac{M_{X}}{16}} \Rightarrow M_{X}=64$