29. Based on the benzene adsorption isotherm, determine the specific surface area of the adsorbent (T=293K, S0=49 10-20m2):
p/ps……………………………………… 0.05 0.10 0.15 0.20 0.25 0.30
a 102, mol/kg………………………….. 3.85 5.25 6.30 7.13 7.87 8.59

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