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Between CO and CO2 which diffuses faster ? and whats the reason ??

According to Graham's law, the rate of diffusion of a molecule is inversely proportional to the square root of molecular mass of the molecule.  So, molecular mass of CO= 38 and CO2  = 44.

So, CO2 /CO = √(38/44)

Thus, CO diffuses faster than carbon dioxide.

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 This is because Carbon dioxide is about 25 times more soluble in water than oxygen at body temperature. Carbon dioxide is more soluble because a chemical reaction takes place with water when it dissolves forming Carbonic acid when combined with water. There is no chemical reaction taking place when oxygen dissolves in water.

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rate of diffusion is inversely proportional to the square root of molecular weight. Hence their order of diffusion is  CO >CO2

hope it helped .... best of luck :))

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