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Topic: HOW TO CALCULATE Molarity of MG2+ IONS IN EDTA TITRATION  (Read 3666 times)

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Offline EriccaLX

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HOW TO CALCULATE Molarity of MG2+ IONS IN EDTA TITRATION
« on: November 03, 2012, 08:01:23 AM »
Can I know how to calculate the molarity of Mg2+ ions in the solution after titrate with EDTA?
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Offline Sircodekill

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Re: HOW TO CALCULATE Molarity of MG2+ IONS IN EDTA TITRATION
« Reply #1 on: November 03, 2012, 08:09:18 AM »
Mg2++ H2Y2-  :rarrow: MgY2-+ 2H+


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Offline EriccaLX

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Re: HOW TO CALCULATE Molarity of MG2+ IONS IN EDTA TITRATION
« Reply #2 on: November 03, 2012, 09:19:10 AM »
Quote from: Sircodekill on November 03, 2012, 08:09:18 AM
Mg2++ H2Y2-  :rarrow: MgY2-+ 2H+

Thanks! but can i know what is H2Y? the EDTA ions?
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Offline Sircodekill

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Re: HOW TO CALCULATE Molarity of MG2+ IONS IN EDTA TITRATION
« Reply #3 on: November 03, 2012, 09:47:07 AM »
Quote from: EriccaLX on November 03, 2012, 09:19:10 AM
Quote from: Sircodekill on November 03, 2012, 08:09:18 AM
Mg2++ H2Y2-  :rarrow: MgY2-+ 2H+

Thanks! but can i know what is H2Y? the EDTA ions?

yes, sorry. Each EDTA molecule coordinates with 1 magnesium ion. Use an indicator to know when the magnesium has been consumed.
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