Chemistry, 17.12.2019 21:31 neonbluefaith
4. for rxn 1, 10.0 ml of a cu2+ solution of unknown concentration was placed in a 250 ml erlenmeyer flask. an excess of ki solution was added. indicator was added and the solution was diluted with h2o to a total volume of 75 ml. for rxn 2, the solution from rxn 1 was titrated with 0.20 m na2s2o3. the equivalence point of the titration was reached when 14.45 ml of na2s2o3 had been added. what is the molar concentration of cu2+ in the original 10.0 ml solution?
Answers: 2
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4. for rxn 1, 10.0 ml of a cu2+ solution of unknown concentration was placed in a 250 ml erlenmeyer...
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