Question

0.28 gm of CaCO3 was dissolved in HCI
and the solution was made upto one litre wi
distilled water. 100 ml of the above solution
required 28 ml of EDTA solution on titration.
100 ml of hard water sample required 33 ml
of same EDTA solution on titration. 100 ml of
this water, after boiling, cooling and filtering
required 10 ml of EDTA solution on titration.
Calculate the temporary and permanent
hardness of water.​

Answer 1

Answer:

sorry I don't know

Explanation:

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