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CHEM1002 - Resources for Week 8

Topics and Learning Outcomes

  • Strong Acids and Bases
    •  list common acids and bases
    •  define acids and bases according to the Arrhenius and Bronsted-Lowry models
    •  apply equilibria to acids and bases
    •  use the definitions of pH and Kw to quantify the acidity and basicity of aqueous solutions
  • Weak Acids and Bases
    •  explain the difference between a strong and weak acid and the difference between a strong and weak base in terms of the percentage dissociation in solution
    •  explain the increase in pKa values for dissocation of the protons in a polyprotic acid
  • Calculations Involving pKa
    •  use pKw, pKa and pKb to calculate the pH of a solution containing a weak acid or base
    •  use the increase in pKa values for dissocation of the protons in a polyprotic acid to perform calculations
    •  be able to explain what buffers are and how they work
    •  be able to calculate the pH of a buffer system and be able to design a buffer with a required pH
    •  use titration curves to characterize acids and bases, using the pH at the equivalence and half-equivalence points
    •  design and perform titration experiments to obtain pKa values with appropriate choice of indicator

Textbook and eBook References

  • Strong Acids and Bases - Sections 11.1 - 11.3
  • Weak Acids and Bases - Section 11.4
  • Calculations Involving pKa - Sections 11.4, 11.6 and 11.7
the eBook references are free and are taken from high quality sources.

Lecture Notes, Tutorial Worksheets & Answers and Suggested Exam Questions

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ChemCAL and iChem Resources

Contributed Links and Resources

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Strong Acids and Bases -  
  pH of strong acids and bases (short video tutorial)  
Tags: pH | strong acids | strong bases  |  Contributed by Adam Bridgeman
Weak Acids and Bases -  
Calculations Involving pKa -  
  Definition of pH, pOH, "p", sample calculations  

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