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A 50.0 mL sample containing Cd2 and Mn2 was treated with 49.6 mL of0.0600 M EDTA. Titration of the excess unreacted EDTA required 13.7mL of 0.0210 M Ca2 . The Cd2 was displaced from EDTA by theaddition of an excess of CN%u2013. Titration of the newly freedEDTA required 18.0 mL of 0.0210 M Ca2 . What were the molarities ofCd2 and Mn2 in the original solution?
A 50.0 mL sample containing Cd2 and Mn2 was treated with 49.6 mL of0.0600 M EDTA. Titration of the excess unreacted EDTA required 13.7mL of 0.0210 M Ca2 . The Cd2 was displaced from EDTA by theaddition of an excess of CN%u2013. Titration of the newly freedEDTA required 18.0 mL of 0.0210 M Ca2 . What were the molarities ofCd2 and Mn2 in the original solution?
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Beverley SmithLv2
28 Sep 2019
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