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A graph between (x/m) vs log p gives a ...

A graph between (x/m) vs log p gives a striaght line with slope equal to `45^(@)` and intercept on the log (x/m) axis as 0.3 calculate the amount of gas adsorbed per gram of charcoal at a pressure of 0.95 atm

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Freundilich isotherm equation `x//m=kp^(1//n) i.e log (x//m) = log + 1//n log p`
Extent of adsorption (amount of gas adsorbed per gram of charcoal ) `x//m =2.0 (0.95)^(1) =1.9 `
Limition of freundilich adsorption isotherm the relation is an approoximation which holds good over a limited range of pressures
It is applicable only to physical adsorption
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