732(1). Calcium in solution was titrated with ethylenediaminetetraacetate, which was generated from the corresponding mercury complex. The end of the reaction was set potentiometrically. Calculate the calcium content (µg) in the solution if the titration was carried out at a current strength of 4 mA for a time of τ-59 s. (2 electrons participated in the generation of 1 ethylenediaminetetraacetate ion).

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