1. Calculate the excess adsorption of octanol and construct an adsorption isotherm from the dependence σ=f(c) of its aqueous solutions at T=293K.
s, mol/m3 σ 103, N/m s, mol/m3 σ 103, N/m s, mol/m3 σ 103, N/m
0 72.75 0.100 69.00 0.398 64.20
0.016 71.60 0.158 67.80 0.631 62.40
0.040 70.60 0.251 66.00 1.000 60.60

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