EDTA Titration of CalciumII and MagnesiumII

To prepare a standard solution, weigh accurately about 0.25 g of and transfer to a clean 250-mL volumetric flask it need not be dry. Dissolve the solid in a minimum about 5-8 mL of 1 M HCl, dilute to the mark and MIX WELL. Compute the molar concentration of your standard stock solution. 3.

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