Answered: Weak base: 25 mL of 0.00255 M…

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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Weak base: 25 mL of 0.00255 M hydroxylamine HONH2 (Kb = 1.1 × 10-8) Strong acid: 0.001545 M HNO3. Questions 1-2 were previously explained and answered. Can you explain numbers 3, 4, and 5. Answers are on the side to check if your work matches answer. Conditions to determine: 1. Initial pH – Answer: 8.7 2. pH at 10.12 mL of titrant added – Answer: 6.5 3. pH at equivalence point – Answer: 4.5 4. pH 1 mL of titrant added after the equivalence point– Answer: 4.4 5. pH 15 mL of titrant added after the equivalence point– Answer: 3.5

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