824. Calculate the surface tension of acetone at T \u003d 283 K, if the following data are obtained by the method of the highest pressure of a gas bubble: the bubble pressure when it jumps into water is 14.1 × 102 N / m2, and in acetone it is 4.75 × 102 N / m2. The surface tension of water at t=10°C is 74.22·10-3 N/m.

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