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If x is amount of adsorbate and m is amount of adsorbent, which of the following relations is not related to adsorption process?

1. x/m = f(p) at constant T
2. x/m = f(T) at constant p
3. p = f(T) at constant (x/m)
4. x/m = p' T

Correct answer: x/m = p' T

Solution

Option D (x/m = p' T) is not related to the adsorption process because adsorption depends on pressure and temperature in a specific manner, but this equation implies a direct proportionality between x/m and the product of pressure and temperature, which is incorrect.

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