83. Solving a chemistry problem

83. Solving a chemistry problem

3) Surface tension σ of an aqueous solution of butyric acid at t=18 C obeys the empirical equation
σ0 - σ = 29.8*10-3 (1 19.64*s),
where σ0 is the surface tension of water, J/m2,
c - acid concentration, mol/l.
Calculate acid adsorption (according to Gibbs) in the concentration range c = 0.1; 0.2; 0.5; one; 5 mol/l.

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