1. Find the surface excess for a solution of isoamyl alcohol with concentrations of 0.2; 0.5; 0.7; 1.0 kmol/m3, if the limiting value of the surface excess Г=0.89*10-9 kmol/m2, and the Langmuir equation constant b=0.62. Calculate the surface of the alcohol molecule and plot the adsorption isotherm.

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