Chemistry, asked by baskardme305, 1 month ago

When 250ml of sample of hard water is titrated against standard EDTA of strength 0.01M, it consumed 12.5ml the same EDTA calculate the carbonate and non-carbonate hardness of the sample in mg/l​

Answers

Answered by madeline856
0

Answer:

The total hardness of water is estimated by titrating the water sample against EDTA using Eriochrome Black-T (EBT) indicator. Initially EBT forms a weak EBT- Ca2+/Mg2+ wine red coloured complex with Ca2+/Mg2+ ions present in the hard water.

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