# The rate of diffusion of a gas Y is twice that of Z. if the relative molecular...

Question 5
A

32

B

4

C

8

D

16

##### Explanation

$$\sqrt{y}$$ = 2x
$$\sqrt{Z}$$ = x
$$\frac{rz}{ry}$$ = $$\sqrt{\frac{my}{mz}}$$

$$\frac{2x}{x}$$ = $$\sqrt{\frac{64}{mz}}$$
$$\frac{4}{1}$$ = $$\frac{64}{mz}$$

mz = $$\frac{64}{4}$$
mz = 16

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