%253Cp%253E3)%2520A%2520100%2520mL%2520sample%2520of%2520hard%2520water%2520is%2

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Explanation / Answer

Hardness of Water by EDTA Titration

Ethylenediaminetetraacetic acid (edta) is a reagent that forms edta-metal complexes with many metal ions (but not with alkali metal ions such as Na+ and K+). In alkaline conditions (pH

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