65. Solving a chemistry problem
721. Suppose the dispersion medium of the suspension is a solution of sodium iodide NaI 0.01 mmol/dm3 in formamide at 25 °C (εg = 33.2). Calculate the thickness of the ionic atmosphere ϰ-1 in this medium and what equation should be used to calculate the ζ-potential from the results of electrophoresis if the particle radius is 50 nm?
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