**Question 2:**Which of the following statements about a phosphate solution is NOT true? For \( \text{H}_3\text{PO}_4 \), \( \text{p}K_{a1} = 2.16 \), \( \text{p}K_{a2} = 7.21 \), \( \text{p}K_{a3} = 12.32 \).A. The most abundant species at pH 2.0 is \( \text{H}_3\text{PO}_4 \).B. The second most abundant species at pH 2.0 is \( \text{H}_2\text{PO}_4^- \).C. The most abundant species at pH 13.0 is \( \text{PO}_4^{3-} \).D. The most abundant species at pH 6.0 is \( \text{HPO}_4^{2-} \).

#2: H3PO4 is a triprotic with pKa1 = 2.16, pKa2 = 7.21, and pKa3 = 12.32 Hence H3PO4 gives 3…

2. Which of the following statements about a phosphate solution is NOT true? For H3PO4, pKal = 2.16, pK₁2 = 7.21 pka3=12.32 magazasio A. The most abundant species at pH 2.0 is H3PO4 B. The second most abundant species at pH 2.0 is H₂PO4 C. The most abundant species at pH 13.0 is PO4³- 3- D. The most abundant species at pH 6.0 is HPO42-dmun

2. Which of the following statements about a phosphate solution is NOT true? For H3PO4, pKal = 2.16, pK₁2 = 7.21 pka3=12.32 magazasio A. The most abundant species at pH 2.0 is H3PO4 B. The second most abundant species at pH 2.0 is H₂PO4 C. The most abundant species at pH 13.0 is PO4³- 3- D. The most abundant species at pH 6.0 is HPO42-dmun

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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