Chemistry, asked by lina5527, 1 year ago

Why calcium edta complex is more stable than magnesium edta complex?

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Answered by indrani143aishu

3

The combined concentration of calcium and magnesium ions is considered to be the measure of water hardness. ... The dye–metal ion complex is less stable than the EDTA–metal ion complex. For the titration, the sample solution containing the calcium and magnesium ions is reacted with an excess of EDTA

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