Question

0.28 gram of caco3 was dissolved in HCL and the solution was made up to 1L with distilled water. 100ml of the above solution required 28 ml of EDTA solution on titration .100ml of hard water sample required 33 ml of the same EDTA solution on titration. 100ml of this water after boiling ,cooling and filtering required 10 ml of EDTA on titration. calculate the temporary and permanent hardness of water

Answer 1

Answer:

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