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N(2)O and CO(2) have the same rate of di...

`N_(2)O` and `CO_(2)` have the same rate of diffusion under same conditions of temperature and pressure. Why ?

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Both have same molar mass (44 g `mol"^(-1)`). According to Graham's law of diffusion, rates of diffusion of different gases are invessely proportinal to the square roots of their molar masses under same conditions of temperature and pressure.
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