Question

2. 20 ml of standard hard water (containing 2gms of CaCO3 per 500 mL) required 25 mL of EDTA Solution for titration. 100 ml of water sample required 20 mL EDTA Solution, while same water after boiling required 12 mL EDTA solution. Calculate carbonate and non- carbonate hardness of water in PPM.

Answer 1

Answer:

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