Answer to Question #293354 in Chemical Engineering for nikki

Question

1 gm of calcium carbonate is dissolved in dilute HCl and diluted to 1 liter with distilled

water. 100 ml of this standard hard water requires 90 ml of EDTA solution. 100 ml of unknown hard water requires 36 ml of EDTA solution. 100 ml of same water sample after boiling requires 18 ml of EDTA solution. Calculate Carbonate and Non-carbonate hardness of water sample.

Answer 1

Answer is given below