65. Solving a chemistry problem

65. Solving a chemistry problem

121. Determine the limiting adsorption of alcohol by a graphical method, and calculate the area occupied by 1 molecule of alcohol in a saturated adsorption layer, according to the following data on the dependence of the surface tension of solutions of n-amyl alcohol in water on concentration at 25.0 ° C:
C, mmol/L 0 1.9 2.7 3.8 5.4 7.5 10.7 15.0 21.3 30.0 42.6
σ, mN/m 72.1 70.5 70.1 69.3 68.4 66.8 64.5 61.8 59.0 55.4 51.6

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