38. Solving a chemistry problem

38. Solving a chemistry problem

216. When studying the adsorption of stearic acid from its solutions in hexane on steel powder, the following results were obtained:
С*105, mol/l 1 2 4 7 10 20 25
A*103 , kg/kg 0.786 0.864 1.00 1.17 1.30 1.60 1.70
Calculate the specific surface area of steel powder, assuming that the area of 1 stearic acid molecule in a saturated monolayer is 0.2 nm2.

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