72. Solving a chemistry problem
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72. Solving a chemistry problem
1. To determine the surface tension of water, the droplets detached from the capillary are weighed and the diameter of the neck of the drop is measured at the moment of its detachment. It turned out that the mass of 318 drops of water is 5 g, and the diameter of the neck of the drop is 0.77 mm. Calculate the surface tension of water.
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