How does the rate of diffusion relate with molecular weight of gases?
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Molecular weight will affect the rate of diffusion. All other things being constant, lighter weight molecules will move faster or diffuse faster that heavier molecules. This property could be used to separate heavier molecules from lighter weight molecules.
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molecular weight it is the mass in grams of one mole of molecular of formula unit of a subtance. It is also called as molecular mass .The hypothesis was arrived based on previous observation the hypothesis is if molecular weight affect the rate of diffusion then the higher the mass the slower the rate of diffusion
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