27. Solving a chemistry problem
4. At what concentration will the surface tension of acetic acid be equal to 57.2 mJ / m2, if at 295 K the coefficients of the Shishkovsky equation A \u003d 7.23, B \u003d 11.5 * 10-3, b0 \u003d 72.35 * 10-3 N/m.
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