1.

In langmuir's model of adsorption of a gas on a solid surface

Answer»

<P>the mass of gas striking a given area of surface is proportional to the presence of the gas
the gas striking a given area of surface is independent of the pressure of the gas
the rate of dissociation of adsorbed molecules from the surface does not depend on the surface corved
the adsorption at a single site on the surface may involve MULTIPLE molecules at the same time

Solution :Accoding to Langmuir's model of adsorption of gas on a solid surface the mass of gas adsorbed (x) PER gram of the adsorbent (m) is DIRECTLY proportional to the pressure of the gas (p) at constant TEMPERATURE i.e., `(x)/(m)propp`


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