Asked by Anonymous

it takes a certain gas 1.98 times as long to diffuse as an equal volume of helium under the same conditions. what is the calculated molecular weight of the gas?

Answers

Answered by bobpursley
Isn't this Graham's law of diffusion

rate1/rate2 = sqrt(mass2)/sqrt(mass1)

1.98= sqrt (mass1/4)

square both sides, multiply both sides by 4.

In my head, it is about 16
Answered by Travolter Mboya
Core of Graham's law of diffusion

r¹/r²=√(M²/M¹ )

2.3=√(M¹/32)

Sq. both sides & multiply both side by 32

My head dictates it 169
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