# Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, x is the mass of the gas adsorbed

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Adsorption of a gas follows Freundlich adsorption isotherm. In the given plot, x is the mass of the gas adsorbed on mass m of the adsorbent at pressure p. $x\over m$ is proportional to

(1) $P{1\over4}$

(2) $P^2$

(3) $P$

(4) $P^{1/2}$