Chemistry
Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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17. Which of the following statements is not true? (a) EDTA is a hexaprotic acid containing four carboxyl protons and two ammonium protons. (b) EDTA forms 1:1 complexes with most metal ions. (c) The concentration of a free metal ion can be determined through titration with EDTA. (d) If the pH of a metal-EDTA complex solution is fixed by a buffer, the conditional formation constant (K,) can be determined. (e) The formation constant, K, for an EDTA complex is typically a small value.
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Transcribed Image Text:17. Which of the following statements is not true? (a) EDTA is a hexaprotic acid containing four carboxyl protons and two ammonium protons. (b) EDTA forms 1:1 complexes with most metal ions. (c) The concentration of a free metal ion can be determined through titration with EDTA. (d) If the pH of a metal-EDTA complex solution is fixed by a buffer, the conditional formation constant (K,) can be determined. (e) The formation constant, K, for an EDTA complex is typically a small value.
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