100. Solving a chemistry problem
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4. Calculate the surface tension of toluene at 50 ° C, if, when it was slowly released from the stalagmometer, the mass of 38 drops was 1.486 g. When water was released from the same stalagmometer at the same temperature, the mass of 25 drops of it remained equal to 2.657. The surface tension of water at 50°C is 76.91*10-3n/m.
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