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General Chemistry

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Moderate

Graham's Diffusion Law to Determine an Unknown Gas

CHEM-X9ANX1

An unknown monatomic gas diffuses twice as fast as ${Br}_{2}(g)$.

What is the identity of the unknown gas?

A

$He(g)$

B

$Ne(g)$

C

$Ar(g)$

D

$Kr(g)$