Construct a titration curve for the following complexometric titration by calculating the calcium ion concentration in terms of pCa during the titration of 50.00 mL of 0.0500 M CaCl with 0.1000 M EDTA in a solution buffered to constant pH = 10, after the addition of the following volumes of EDTA reagent:

Chemistry: The Molecular Science
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Author:John W. Moore, Conrad L. Stanitski
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Chapter15: Additional Aqueous Equilibria
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2. Construct a titration curve for the following complexometric titration by
calculating the calcium ion concentration in terms of pCa during the titration of
50.00 mL of 0.0500 M CaCl with 0.1000 M EDTA in a solution buffered to
constant pH = 10, after the addition of the following volumes of EDTA reagent:
(a) In the pre-equivalence region at 10.00 mL,
(b) At the equivalence point (include what the equivalence volume calculation), and
(c) After the equivalence point at 30.00 mL.
Given that Kf for CaY2-is 1010.65 and ay4- at pH 10.0=0.30.
Transcribed Image Text:2. Construct a titration curve for the following complexometric titration by calculating the calcium ion concentration in terms of pCa during the titration of 50.00 mL of 0.0500 M CaCl with 0.1000 M EDTA in a solution buffered to constant pH = 10, after the addition of the following volumes of EDTA reagent: (a) In the pre-equivalence region at 10.00 mL, (b) At the equivalence point (include what the equivalence volume calculation), and (c) After the equivalence point at 30.00 mL. Given that Kf for CaY2-is 1010.65 and ay4- at pH 10.0=0.30.
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