25. Based on the benzene adsorption isotherm, determine the specific surface of the adsorbent (T = 293K, S0 = 49 10-20 m2). The volume of adsorbed gas is reduced to normal conditions:
p/ps………………………………………. 0.10 0.15 0.20 0.25 0.30 0.36
a 102, m3/kg……………………………… 0.89 1.09 1.27 1.45 1.60 1.79

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