143. Solving a chemistry problem
6.29. Using the BET equation, calculate the specific surface area of the adsorbent from the nitrogen adsorption isotherm:
P / Ps 0.0288 0.050 0.110 0.136 0.175 0.200
A, mol / kg 2.16 2.39 2.86 3.02 3.22 3.33
The area occupied by one nitrogen molecule in the adsorption layer is 0.16 nm2.
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