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74. Solving a chemistry problem
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Uploaded: 17.11.2022
Content: 4.rar 20,02 kB
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Uploaded: 17.11.2022
Content: 4.rar 20,02 kB
Product description
4. Using a nephelometer, the light scattering of the standard and test mastic hydrosols of equal concentrations is compared. The intensity of the scattered light fluxes is the same when the height of the illuminated part of the investigated sol is 5 mm and the height of the standard sol is 21 mm. The average particle radius of a standard sol is 120 nm. Calculate the particle radius of the investigated sol.
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