Question

1g of CaCO3 was dissolved
dilute hydrochloric acid and made upto 1000 ml .50ml of this solution required 46 ml of EDTA
for titration - 50ml of hard water sample required
20 ml of the same EDTA solution. After boiling
the sample of hardwater, 50ml of it consumed
12 ml of EDTA solution. Calailate Carbonate cand
Non-Carbonate hardness
of the sample?​

Answer 1

Answer:

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