The volume of 0009450 m zn2 needed to titrate the excess, Chemistry

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The volume of 0009450 m zn2 needed to titrate the excess

A solution contains 1.694 mg of CoSO4 (155.0 g/mol) per milliliter. Calculate

(i) the volume of 0.08640 M EDTA needed to titrate a 25.00-mL aliquot of this solution.

(ii) the volume of 0.009450 M Zn2+ needed to titrate the excess reagent after addition of 50.00 mL of 0.008640 M EDTA to a 25.00-mL aliquot of this solution.

(iii) the volume of 0.008640 M EDTA needed to titrate the Zn2+ displaced by Co2+ following addition of an unmeasured excess of ZnY2- to a 25.00-mL aliquot of the CoSO4 solution.

The reaction is Co2+ + ZnY2- CoY2- + Zn2+

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Chemistry: The volume of 0009450 m zn2 needed to titrate the excess

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