in determination of hardness of water by edta method,reaction between metal ion and edta is formed during titration is
Answer (1)
23rd Feb, 2021
Hello candidate,
The estimation of hardness the use of EDTA and metal ion is based on the method of complexometric titration.
The basic process of determination is by titrating with a standard solution of ethylene diamine tetra acetic acid (EDTA) which is a complexing agent. Since EDTA is insoluble in water, the disodium salt of EDTA is taken for this experiment.
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