juan2280 juan2280

21-04-2020
Chemistry

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Using the complex based titration system: 50.00 mL 0.00250 M Ca2+ titrated with 0.0050 M EDTA, buffered at pH 11.0 determine (i) first pCa first before initiating the titration process and then (ii) at equivalence when all the Ca2+ is titrated to CaY2-. Please, use your text books and/or lecture notes to find potentially missing information about constants needed to solve the problem.

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lcoley8 lcoley8

25-04-2020

Answer:

i) The pCa before initiating the titration is 2.6

ii) The pCa is 6.67

Explanation:

please look at the solution in the attached Word file

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