8. Using the benzene adsorption isotherm, determine the specific surface area of the adsorbent. T=293 K, S0=0.49 nm2. The volume of adsorbed gas is reduced to normal conditions:
P/Ps 0.10 0.15 0.20 0.25 0.35 0.40
A, cm3/g 11.5 13.7 15.5 17.1 18.6 19.9

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