512. What is the constant of a conductometric cell if the mercury in it shows an electrical resistance of 0.243166 Ohm at 0C (the specific conductivity of mercury at this temperature is 1.062963 * 106 S/m)? What is the specific conductivity of a KCl solution, which has a resistance of 3.966 * 104 Ohm in the same cell? If the cross-sectional area of the cell is 0.9643 mm2, what is the effective distance between the electrodes?
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