114. Задачка по химии №011 434

A 5.0 g sample containing 3% nickel was dissolved in a 200 ml volumetric flask. Calculate what volume of a 1% solution of dimethylglyoxime C4H8N2O2 (density 0.93 g/cm3) will be required to precipitate nickel (II) dimethyl hyoximate from an aliquot of this solution with a volume of 20 ml, if the volume of the precipitant is taken in one and a half times excess compared to the stoichiometric (molar mass of the precipitant 116g/mol).

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