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Chemistry Honors – Classes 14 & 15

pH

Dates

  • Period B: Monday, February 2nd / Tuesday, February 3rd
  • Period D: Monday, February 2nd / Wednesday, February 4th
  • Period G: Tuesday, February 3rd / Wednesday, February 4th

Day 1 – Strong Acids / Molarity / pH

  • Strong acid = full dissociation
  • Weak acid = partial dissociation
  • Ka is a number which expresses this
  • Ka = (products/reactants)
  • Students don’t know how to identify strong v weak
  • [H+] means molarity of H+ in solution
  • pH = -log[H+]
  • pH = quick way to show how much is in solution

Day 2 – Examples of calculations

  • Kw and autoionization of water
  • determining pH, pOH
  • acid / base reactions and the final pH of solution

Textbook Practice

  • Ch. 14 (38, 41, 45, 51, 57, 61)
  • Ch. 4 (69-72)

Information

This entry was posted on February 3, 2015 by in Agenda, SHP-CH and tagged , , , .

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