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24 September, 13:00

Which gas will diffuse at a faster rate, CH4 with a molar mass of 16 g or

SO2 with a molar mass of 64 g?

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  1. 24 September, 13:24
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    CH₄ will diffuse at faster rate.

    Explanation:

    According to Graham's law,

    The rate of diffusion is inversely proportional to the square root of molar mas of gas.

    It is given in question the molar mass of CH₄ is 16 g. Thus the square rot of 16 is.

    √16 = 4

    The molar mass of SO₂ is 64 g and the square root is,

    √64 = 16

    As it is stated that diffusion rate is inversely related to the square root of molar mass thus the diffusion rate of SO₂ is lower while methane diffuse faster.
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