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    why is ligand substitution by EDTA accompanied by a large increase in the total number of moles? How does this happen?
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    anyone?
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    (Original post by tammie94)
    anyone?
    Because EDTA is hexadentate and so removes six water ligands (or whichever ligand is attached)

    [MX6]2+ + EDTA4- --> [M(EDTA)]2- + 6X
 
 
 
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