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Acid-Base Equilibria: Strength of Acids and Bases

Explore the strength of various acids and bases in the context of acid-base equilibria. Determine pH levels and concentrations of solutions.

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Acid-Base Equilibria: Strength of Acids and Bases

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  1. Chapter 16Acid-Base Equilibria Chemistry, The Central Science, 11th edition Theodore L. Brown; H. Eugene LeMay, Jr.; Bruce E. Bursten and Catherine J. Murphy Donna Narsavage Heald Siena College Loudonville, NY  2009, Prentice Hall

  2. Which base is the weakest? • F– • NH3 • OH– • SO42– • C2H3O2–

  3. Which base is the weakest? • F– • NH3 • OH– • SO42– • C2H3O2–

  4. Which acid is the strongest? • H2O • H3O+ • HF • HC2H3O2 • NH4+

  5. Which acid is the strongest? • H2O • H3O+ • HF • HC2H3O2 • NH4+

  6. Acid Ka Which base is the strongest? • NO3– • C2H3O2– • HCO3– • CO32– • NH3

  7. Acid Ka Which base is the strongest? • NO3– • C2H3O2– • HCO3– • CO32– • NH3

  8. If the pH = 2 for an HNO3 solution, what is the concentration of HNO3? • 0.10 • 0.20 • 0.010 • 0.020 • 0.0010

  9. If the pH = 2 for an HNO3 solution, what is the concentration of HNO3? • 0.10 • 0.20 • 0.010 • 0.020 • 0.0010

  10. a digital pH meter If the pH = 10 for a Ca(OH)2 solution, what is the concentration of Ca(OH)2? • 1.0 x 10–10 • 5.0 x 10–11 • 5.0 x 10–3 • 1.0 x 10–2 • 2.0 x 10–2

  11. a digital pH meter If the pH = 10 for a Ca(OH)2 solution, what is the concentration of Ca(OH)2? • 1.0 x 10–10 • 5.0 x 10–11 • 5.0 x 10–3 • 1.0 x 10–2 • 2.0 x 10–2

  12. A blue color will result when bromthymol blue is added to an aqueous solution of: • NH4Cl • KHSO4 • AlCl3 • KH2PO4 • Na2HPO4

  13. A blue color will result when bromthymol blue is added to an aqueous solution of: • NH4Cl • KHSO4 • AlCl3 • KH2PO4 • Na2HPO4

  14. What is the pH of a 0.010 M HClO4 solution? • <1 • 1 • 2 • 7 • >7

  15. What is the pH of a 0.010 M HClO4 solution? • <1 • 1 • 2 • 7 • >7

  16. What is the pH of a 0.010 M HF solution? • <1 • 1 • 2 • >2 • 7

  17. What is the pH of a 0.010 M HF solution? • <1 • 1 • 2 • >2 • 7

  18. Which acid is the strongest? • H2S • HF • HCl • HBr • HI

  19. Which acid is the strongest? • H2S • HF • HCl • HBr • HI

  20. Which base is the strongest? • ClO4– • BrO3– • BrO4– • IO3– • IO4–

  21. Which base is the strongest? • ClO4– • BrO3– • BrO4– • IO3– • IO4–

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