146. Задачка по химии №014 63129

8. Constants of the Shishkovsky equation for an aqueous solution of valeric acid at T = 273 K are given: a = 14.72 · 10 -3, b = 10.4. Determine the concentration of the solution at which the surface tension will be
σ = 52⋅10 -3 N / m, if the surface tension of water σ 0 = 75.49 · 10 -3 N / m.

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