Titration of Ca2t + Mgat m a 50 ML Saple of hard dater requred 23.65 ML of 0.01205 mslar EDTA, a selmd 50 Ml aliguet Was made Aronaly basse hith Naott to precipitabe MgT the supernatamt Lequord was tifract ed with 14.53 ML OF EPTA Soluhem. Calculate, a) the total handness b) The Concent rahen C The Contentraben of MaCoz in ke sapk n as Mg(ob)a, of to Waer Sanple m pPm Calo of Cacoz te Semple PpM