Answer to Question #179066 in Inorganic Chemistry for Sky

Question #179066

20 ml of standard hard water (containing 15gms of CaCO3 per 500 mL) required 25 mL of EDTA Solution for titration. 100 ml of water sample required 18 mL EDTA Solution, while same water after boiling required 12 mL EDTA solution. Calculate carbonate and non-carbonate hardness of water in PPM.


1
Expert's answer
2021-04-07T11:29:20-0400

Temporary hardness of water = 720 ppm.


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