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So, I have some questions about the analytical chemistry experiment \"Titrations based on complex formation.\" 1- Can...

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Chemistry

So, I have some questions about the analytical chemistryexperiment \"Titrations based on complex formation.\"
1- Can you determine Mg by displacement or back titration?
2- You need to know the amount of EDTA added to solution in backtitration method but you do not need to know the amount of MgEDTAadded in displacement titration. Why? Explain by giving relatedreactions.
3- What is the minimum pH value needed for satisfactory titrationsof Ca+2 and Mg+2 cations with EDTA?

Thanks for your help.

Answer & Explanation Solved by verified expert
4.5 Ratings (941 Votes)
1 Yes Mg can be determine by back displacement titrationInthis case use Zn2 solution for backdisplacement titarion2 In back titration it is necessary to know the amount of EDTAto be    See Answer
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