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In aqueous dispersion of charged discoid colloids at T = 20 o C a precipitate is formed when NaCl is added with a concentration of

In aqueous dispersion of charged discoid colloids at T = 20 oC a precipitate is formed when NaCl is added with a concentration of 0.01 mol / lt. Calculate the interaction energy per unit area of two colloids that are parallel to each other at a distance H = 2 nm

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