A 50.0 mL sample containing Cd2+ and Mn2+ was treated with 55.7 mL of 0.0600 M EDTA. Titration of the excess unreacted EDTA required 10.1 mL of 0.0120 M Ca2+ . The Cd2+ was displaced from EDTA by the addition of an excess of CN-. Titration of the newly freed EDTA required 29.2 mL of 0.0120 M Ca2+ . What were the molarities of Cd2+ and Mn2+ in the original solution