108. Задачка по химии №010 757

Calculate the electrophoretic mobility of corundum particles with a radius of 28 nm in an aqueous solution of 1.23•10–3 mol/l NaCl at 20 °C, if it is known that the volumetric rate of electroosmosis of the same solution through porous corundum is 1.38•10–8 m3/ s, the specific electrical conductivity of the solution is 1.51•10–2 (Ohm•m)–1, the measured current strength is 10.77 mA. The relative permittivity of the solution is 80.2.

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