30. Acid HP and acid HQ are titrated with standardized NaOH, and their titration curves are shown in Fig.3. Both acids have the same concentration and solution volume initially. Based on these titration curves, answer the following questions. Titration of 40 mL 0.1MAcid 14 12 10 Part 1. Which of the above two acids does have a greater value of acid ionization constant K,? 8 6. Acid HP a) HP; b) HQ: c) same for both acids; d) cannot be judged Acid HQ 2 Part 2. The pK, of acid HP is most close to 10 20 30 40 50 60 70 20 a) 3.0 b) 5.0 c) 9.0 d) 9.5 e) insufficient information. mL 0.1M NaOH titrant Fig. 3 the concentration of the Part 3. The hydroxide ion concentration at the equivalence point (endpoint) of acid HP is hydroxide ion concentration at the equivalence point (endpoint) of acid HQ. a) less than b) equal to c) greater than d) none of the above

30. Acid HP and acid HQ are titrated with standardized NaOH, and their titration curves are shown in Fig.3. Both acids have the same concentration and solution volume initially. Based on these titration curves, answer the following questions. Titration of 40 mL 0.1MAcid 14 12 10 Part 1. Which of the above two acids does have a greater value of acid ionization constant K,? 8 6. Acid HP a) HP; b) HQ: c) same for both acids; d) cannot be judged Acid HQ 2 Part 2. The pK, of acid HP is most close to 10 20 30 40 50 60 70 20 a) 3.0 b) 5.0 c) 9.0 d) 9.5 e) insufficient information. mL 0.1M NaOH titrant Fig. 3 the concentration of the Part 3. The hydroxide ion concentration at the equivalence point (endpoint) of acid HP is hydroxide ion concentration at the equivalence point (endpoint) of acid HQ. a) less than b) equal to c) greater than d) none of the above

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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