Iminodiacetic acid (IDA) is often used in ion exchange resins as a way to remove heavy metals from industrial waste waters. It forms a 2:1 complex with many heavy metals, with a high selectivity for divalent over monovalent ions. A 10.50 ml. sample of 0.0582 M Ni2+ was added to 10.50 mL of 0.169 M iminodiacetic acid (the completely protonated form is abbreviated as H, A*) buffered at pH 7.00. Given that a is 4.6 x 10- at pH 7.00, what is the final concentration of Ni* remaining in solution? Ni (aq) + 2 A?-(aq) = NiA? (aq) K = 2.00 x 104

Iminodiacetic acid (IDA) is often used in ion exchange resins as a way to remove heavy metals from industrial waste waters. It forms a 2:1 complex with many heavy metals, with a high selectivity for divalent over monovalent ions. A 10.50 ml. sample of 0.0582 M Ni2+ was added to 10.50 mL of 0.169 M iminodiacetic acid (the completely protonated form is abbreviated as H, A) buffered at pH 7.00. Given that a is 4.6 x 10- at pH 7.00, what is the final concentration of Ni remaining in solution? Ni (aq) + 2 A?-(aq) = NiA? (aq) K = 2.00 x 104

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Iminodiacetic acid (IDA) is often used in ion exchange resins as a way to remove heavy metals from industrial waste
waters. It forms a 2:1 complex with many heavy metals, with a high selectivity for divalent over monovalent ions.
A 10.50 mL sample of 0.0582 M Ni2+ was added to 10.50 mL of 0.169 M iminodiacetic acid (the completely protonated
form is abbreviated as H, A*) buffered at pH 7.00. Given that a is 4.6 x 10-3 at pH 7.00, what is the final
concentration of Ni* remaining in solution?
Ni" (aq) + 2 A?-(aq)= NiA? (aq)
K = 2.00 x 104
IN1 =

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