Physics, asked by ishikaawana5333, 12 days ago

Method is used for determinin hardness of water

Answers

Answered by aayushagrg77

Answer:

Hardness of water is determined 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 the experiment. EDTA can form four or six coordination bonds with a metal ion.

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