Calculate the flow potential that occurs when ethyl alcohol is forced through a barium carbonate membrane under a pressure of 9.81 * 103 Pa, if the electrokinetic potential is 54 * 10-3 V, the electrical conductivity of the medium is 1.1 * 10-4 Sm * m-1, viscosity 1.2 * 10-3 Pa * s, relative dielectric constant of the medium 25.

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