Using the BET equation, calculate the specific surface area of the adsorbent from the nitrogen adsorption data. The area occupied by 1 nitrogen molecule in a dense monolayer is 0.16 nm-1; nitrogen density is 1.25 kg/m3.
p/ps 0.5 0.44 0.52 0.60
A, l/kg 0.71 0.31 0.93 1.0

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