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The densities of two gases, X and Y, are 0.5 g dm-3

The densities of two gases, X and Y, are 0.5 g dm-3 and 2.0 dm-3 respectively.
What is the rate of diffusion of X relative to Y?

A.

0.1

B.

0.5

C.

2.0

D.

4.0

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Correct answer is C

No explanation has been provided for this answer.

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