112. Задачка по химии №011 253

227. The table below shows data on the dependence of the logarithm of the concentration of gold particles on the depth h, counted from the surface of the suspension at sedimentation equilibrium in the gravity field:
h, mm 4.44 5.06 5.67 6.30 6.90 7.53 8.15 8.65
log ν 10.36 10.51 10.63 10.75 10.89 11.05 11.22 11.39
Calculate the radius of gold particles, assuming their shape is spherical. Other necessary data: temperature 20 °С, gold density 19.3 g/cm3, medium density 0.998 g/cm3.

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