47. Solving a chemistry problem
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47. Solving a chemistry problem
110. Calculate the surface area per 1 molecule of stearic acid and the thickness of the monomolecular film covering the water surface, if it is known that 1 mg of stearic acid covers the water surface equal to 0.419 m2. The molar mass of the acid is 284.48, the density is 0.847 g/cm3.
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