Chemteacher

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CP34 – Long Blocking

pecan pie

Date

  • Tuesday, April 3rd

Lab Reports Collected

  • Thoughts?
  • Results?
  • Difficult aspects? Easy parts?
  • Formatting?

Long Block Part 1: Acid-Base Calcs

Final Idea: Kw

  • Kw = [OH] [H+] = 1 x 10-14
  • If I know [H+] then I know [OH]
  • pH + pOH = 14
  • pH to [H+]
  • Examples of Calculations

Long Block Part 2: Acid-Base Calculations

In-Class Project: Ch. 15 #66

  • for each part determine the pH, pOH, [OH], [H+]
  • create a single table summarizing answers
  • plot graph of pH (y) vs volume NaOH added (x)

Long Block Part 2: Doing the work!

  • one class group
  • use shared spreadsheet! [LINK]
  • wait… what?
  • sharp spike near EQ
  • pH = 7 @ neutral
  • [H+] = [OH] = 1 x 10-7

Homework

  • Nope

Information

This entry was posted on 2018-04-02 by in CP1718 and tagged , , .

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