Ammonia and HCL are being preapred in two corners of a laboratry. Which gas will be deleated first by a student working in the middle of the laboratory? Explain

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Solution

according to Graham 's Law of diffusion ;------
diffusion is inversely proportional to the square root of density or molar mass
so more is the molar mass less is the diffusion or vice versa
so molar mass of NH3= 17 that of HCl is 36.5
so NH3 will diffuse more rapidly than HCl

Hence NH3 will be detected first

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