115. Задачка по химии №011 564

1. In a nephelometric comparison of two mastic hydrosols, a sol with an average particle radius of 10-5 cm with a light beam width of 0.8 cm had the same illumination of the field of view in the eyepiece as the test sol, on which the light beam fell through a slit 27 mm wide . Determine the radius of the sol particle.

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