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acid ionization constant K a

acid ionization constant K a. HX ↔ X - + H + [ X - ] [ H + ] K a = ------------------ [ HX ]. base ionization constant K b. X + H 2 0 ↔ HX + + OH - [ HX + ] [ OH - ] K b = ------------------ [ X ].

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acid ionization constant K a

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  1. acid ionization constant Ka HX ↔ X- + H+ [X-] [H+] Ka = ------------------ [HX]

  2. base ionization constant Kb X + H20 ↔ HX++ OH- [HX+] [OH-] Kb = ------------------ [X]

  3. Write ionization equations and acid ionization constant expressions for the following acids.

  4. HF

  5. HF HF ↔ H++ F-

  6. HF HF ↔ H++ F- [F-][H3O+] Ka = ------------------ [HF]

  7. HF HF ↔ H++ F- [F-][H+] Ka = ------------------ [HF]

  8. HCN

  9. HCN HCN ↔ H++ CN-

  10. HCN HCN ↔ H++ CN- [CN-][H3O+] Ka = ------------------ [HCN]

  11. HCN HCN ↔ H++ CN- [CN-][H+] Ka = ------------------ [HCN]

  12. Write ionization equations and base ionization constant expressions for the following bases.

  13. CH3NH2

  14. CH3NH2 CH3NH2+ H2O↔ CH3NH3+ + OH-

  15. CH3NH2 CH3NH2+ H2O↔ CH3NH3+ + OH- [CH3NH3+ ][OH-] Kb = ------------------------- [CH3NH2]

  16. Quick Work Use the next ten minutes to do problems 10 & 11 on pages 605 & 606

  17. HClO2

  18. HClO2 HClO2↔ H++ ClO2-

  19. HClO2 HClO2↔ H++ ClO2- [ClO2-][H3O+] Ka = ------------------ [HClO2]

  20. HClO2 HClO2↔ H++ ClO2- [ClO2-][H3O+] Ka = ------------------ [HClO2]

  21. HNO2

  22. HNO2 HNO2↔ H++ NO2-

  23. HNO2 HNO2↔ H++ NO2- [NO2-][H3O+] Ka = ------------------ [HNO2]

  24. HNO2 HNO2↔ H++ NO2- [NO2-][H3O+] Ka = ------------------ [HNO2]

  25. HIO

  26. HIO HIO↔ H++ IO-

  27. HIO HIO↔ H++ IO- [IO-][H3O+] Ka = ------------------ [HIO]

  28. HIO HIO↔ H++ IO- [IO-][H3O+] Ka = ------------------ [HIO]

  29. C6H13NH2

  30. C6H13NH2 C6H13NH2+ H2O↔ C6H13NH3+ + OH-

  31. C6H13NH2 C6H13NH2+ H2O↔ C6H13NH3+ + OH- [C6H13NH3+ ][OH-] Kb = ------------------------- [C6H13NH2]

  32. C6H13NH2 C6H13NH2+ H2O↔ C6H13NH3+ + OH- [C6H13NH3+ ][OH-] Kb = ------------------------- [C6H13NH2]

  33. C3H7NH2

  34. C3H7NH2 C3H7NH2+ H2O↔ C3H7NH3+ + OH-

  35. C3H7NH2 C3H7NH2+ H2O↔ C3H7NH3+ + OH- [C3H7NH3+ ][OH-] Kb = ------------------------- [C3H7NH2]

  36. C3H7NH2 C3H7NH2+ H2O↔ C3H7NH3+ + OH- [C3H7NH3+ ][OH-] Kb = ------------------------- [C3H7NH2]

  37. CO32-

  38. CO32- CO32- + H2O↔ HCO3- + OH-

  39. CO32- CO32- + H2O↔ HCO3- + OH- [HCO3-][OH-] Kb = ------------------------- [CO32-]

  40. CO32- CO32- + H2O↔ HCO3- + OH- [HCO3- ][OH-] Kb = ------------------------- [CO32-]

  41. HSO3-

  42. HSO3- HSO3-+ H2O↔ H2SO3+ OH-

  43. HSO3- HSO3-+ H2O↔ H2SO3+ OH- [H2SO3][OH-] Kb = ------------------------- [HSO3-]

  44. HSO3- HSO3-+ H2O↔ H2SO3+ OH- [H2SO3][OH-] Kb = ------------------------- [HSO3-]

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