111. Solving a chemistry problem
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111. Solving a chemistry problem
Iron (III) is determined by back titration. Calculate the percentage of FeSO4 in the sample if it is known that 20.00 ml of 0.05000 M EDTA solution was added to 700 mg of the sample solution, and the excess EDTA was titrated with 5.08 ml of 0.04200 M copper(II) solution.
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