Question

150 ml of hydrogen gas and 35 ml of an unknown gas diffuse in the same time. What would be the

density of the unknown gas if that of hydrogen gas is 1.0? [Ans: dunknown = 18.37 g/lit]

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Answer 1

Answer:

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Explanation:

Graham's law states that the rate of effusion or of diffusion of a gas is inversely proportional to the square root of its molecular weight.

So, R

Hydrogen

/R

Oxygen

=(32/2)

.

5=4

So, rate of diffusion of hydrogen gas is four times faster than oxygen gas.

solution