12. Решение задачи по химии №001 258

316. Calculate the average radius of clay particles if their sedimentation rate in water is 4 * 10-5 m / s, the density of clay is 2 * 103 kg / m3, the viscosity of water is 1 * 10-3 Pa * s, the density of water is 1 * 103 kg /m3.

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