Question

Page 3
Date
1
120
A standard hard water contains 15 gm of CaCO3
per litre
20 ml of this 25 mol of EDTA solution. 100 ml
of sample water required 25 ml Of EDTA solution. The
Sample after boiling required 12 ml of EDTA selettien
Calculate the temporary hardness of the water Sample
in terms of ppm.​

Answer 1

Answer:

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Explanation:

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