123. Задачка по химии №012 336

4. Write the micelle formula of the sol obtained as a result of the exchange reaction by pouring 10 ml of 0.008 N CoCl2 solution and 7 ml of 0.005 N CoCl2 solution. NaOH solution. Calculate the value of the ξ-potential for the given sol if its electrophoresis proceeded at an external electric field strength of 500 V/m. Movement of particles in 10 min. was 12 mm with a medium with a viscosity of 10-3 Pa*s. To which electrode did the particles of the dispersed phase move?

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