136. Solving a chemistry problem
The investigated solution of nickel chloride was diluted in a flask to 250 cm3, to 10.00 cm3 of this solution was added 15.00 cm3 of 0.0100M complexone III, the excess of which was titrated with 4.50 cm3 of 0.0100M magnesium sulfate. Calculate the mass of nickel in the test solution.
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