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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Which species is amphoteric, and when dissolved in water at 0.10 M yields a weakly acidic solution?
For Arsenic acid, H3AsO4, Ka1 = 2.5 × 10–4, Ka2 = 5.6 × 10–8, and Ka3 = 3 × 10–13.
For carbonic acid, H2CO3, Ka1 = 4.3 × 10–7, Ka2 = 4.7 × 10–11.
AsO43–
CO32–
HCO3–
HAsO42–
H2AsO4–
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