146. Задачка по химии №014 6612

2. Find the ξ-potential for a quartz suspension in water, if during electrophoresis particles move to the anode; The shift of the border was 5⋅cm for
180 s; the voltage gradient of the external electric field Η = 10 4 B / m; elm-
The medium is n = 10 -3 PaNs; ε = 81; ε 0 = 8.85⋅10 -12 F / m.

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