CHAPTER 15 PROBLEMS

CHAPTER 15 PROBLEMS - CHAPTER 15 PROBLEMS PAGE 1 1. Write...

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CHAPTER 15 PROBLEMS PAGE 1 1. Write equations to represent the ionization of HI an acid according to both Arrhenius and Brǿnsted- Lowry theories. 5. Write equations for the ionizations and K a expressions for each of the following Brǿnsted-Lowry weak acids. a) HOClO b) CH 3 CH 2 CO 2 H c) HCN d) C 6 H 5 OH 6. An aqueous solution 0.10 M in methylamine, CH 3 NH 2 . Which of the following is true ? a) H 3 O + = 0.10 M b) OH - = 0.10 M c) pH < 7 d) pH > 7 9. A solution has a pH of 5.00. In this solution [ OH - ] must be
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CHAPTER 15 PROBLEMS PAGE 2 12. For a 0.10 M solution of H 2 SO 3 , a diprotic acid , K a1 = 1.3 x 10 -2 and K a2 = 6.3 x 10 -8 . Which of the following is true for this solution ? a) [ H 3 O + ] = 0.10 M b) [ H 3 O + ] = 0.013 M c) [ HSO 3 - ] = 0.013 M d) [ SO 3 -2 ] = 6.3 x 10 -8 M 13. What is the relationship between Ka and K b for its conjugate base? 18. If the titration of a weak base is carried out with a strong acid at what point will the pH be lowest and at what point will the pH be at its highest ? 21.
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This note was uploaded on 04/07/2008 for the course CHEM 1124 taught by Professor Mohan during the Fall '07 term at Seton Hall.

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CHAPTER 15 PROBLEMS - CHAPTER 15 PROBLEMS PAGE 1 1. Write...

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