Question

100 ml of sample hard water required 18 ml of EDTA solution for titration. 22 ml of a same EDTA solution is required for a titration of 100 ml of a standard hard water containing 1 g of cac03 per litre.Calculate the hardness of water sample in ppm ?
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Answer 1

Answer:

Sorry but dunno...

LOL.......XD

Answer 2

Answer:

lol

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