33. Solving a chemistry problem

33. Solving a chemistry problem

6. Using the graphical method, determine the surface activity of butyric acid at the interface of its aqueous solution with air at 293 K according to the following experimental data:
acid concentration, kmol/m3 0.00 0.021 0.0505 0.104
b•103, N/m 74.01 69.51 64.30 59.85

Additional information:

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