What is graham's law ?
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In1829, Thomas Graham, a Scottish Chemist formulated the Graham’s Law of the Diffusion and Effusion of Gases. According to this Law, the rate of Diffusion of different gases, at a constant temperature, is inversely proportional to the square root of its density.
Formula for Graham’s Law of Diffusion and Effusion
r ∝ 1/(M)½
where,
r = rate of diffusion or effusion
M = molar mass
The Molar Mass tells you the number of grams per mole of a compound. The units for molar mass is grams/mole. It indicates the number of atoms, ions, molecules, or formula units present in a particular chemical.
Formula for Graham’s Law of Diffusion and Effusion
r ∝ 1/(M)½
where,
r = rate of diffusion or effusion
M = molar mass
The Molar Mass tells you the number of grams per mole of a compound. The units for molar mass is grams/mole. It indicates the number of atoms, ions, molecules, or formula units present in a particular chemical.
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