85. Solving a chemistry problem

85. Solving a chemistry problem

857. The constants of the Shishkovsky equation for an aqueous solution of valeric acid at T = 273 K are a = 14.72∙10-3; b=10.4. At what concentration will the surface tension of the solution be 52.1∙10-3 N/m if the surface tension of water at T = 273 K is 75.49∙10-3 N/m?

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