142. Solving a chemistry problem

142. Solving a chemistry problem

Calculate the ξ potential of the surface of bentonite clay particles according to the results of electrophoresis under the following conditions: the distance between the electrodes is 25 cm, voltage 100 V, for 15 minutes the particles move 6 mm to the anode, the relative dielectric constant of the medium is 78.2 (at 298 K), viscosity 8.94 * 10-4 Pa * s.

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