140. Solving a chemistry problem
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Product description
In the study by the method of flow ultramicroscopy in a volume of V = 2 * 10-11 m3, 100 particles of sulfur sol were counted. Sol concentration c = 6.5 * 10-5 kg / m3, density p = 1 * 103 kg / m3. Calculate the average radius of the particles, taking their shape as spherical.
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