A 500 ml sample containing cd2 and mn2 was treated with 592, Ask an Expert

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A 50.0 mL sample containing Cd2 and Mn2 was treated with 59.2 mL of 0.0700 M EDTA. Titration of the excess unreacted EDTA required 13.3 mL of 0.0250 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 23.4 mL of 0.0250 M Ca2 . What were the molarities of Cd2 and Mn2 in the original solution?

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