137. Solving a chemistry problem
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137. Solving a chemistry problem
Calculate the surface tension of an ethyl alcohol solution if the following data were obtained using a Traube stalagmometer at a temperature of 298 K: the number of drops of ethyl alcohol is 67, and the number of drops of water is 45. The surface tension of water at the temperature of the experiment is 71.97 * 10-3 N / m. The density of ethyl alcohol is 760 kg / m3, water is 1000 kg / m3.
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