67. Solving a chemistry problem

67. Solving a chemistry problem

4. The constants of the Shishkovsky equation A = 12.6 * 10-3, B = 21.5, determine at what concentration the surface tension of an aqueous solution of butyric acid at 293 K will be 50.30 * 10-3 N / m. (σH2O=72.59*10-3 N/m)

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