Chelation – Practical Applications in Food – Level 2 EDTA (…

Questions

Chelаtiоn - Prаcticаl Applicatiоns in Fоod - Level 2 EDTA (Ethylenediaminetetraacetic acid) when fully deprotonated can act as a hexadentate molecule.  This molecule is found in a variety of foods to mask the flavor of metals. When reacted with iron, it becomes ferric EDTA. How many molecules of EDTA would be required to react with a single iron atom?  Hint: Look at and consider the number of binding sites of EDTA via Lab Manual Pg 160 Fig 2.Note: Ignore the floating H2O molecules in the top right.Clarification: The molecule presented above is in its di-protonated form. Please reread the question and consider what we discussed in the lab.

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