AP Chemistry: Class 27

Dates

• Period E – Friday, March 7th

Titration Lab

• Lab Groups
  • Gopher, Captain, Benzene
  • Princess, Coder, Ben
  • Truth, Sophomore
  • Ugh, Apron, Phosphine
  • Methane, Kracken, Plebe
• Lab Process
  • Goal – standardize HCl acid solution using known NaOH solution
  • 2Methods – phenolphthalein &  digital data
  • Condition the burette before
  • run multiple trials
  • how do I know the volume of one drop of solution?
  • how do I read volumes on the burette?
  • NOTE: you are not inventing a new procedure rather you are researching a proven method for titration

Homework

• Textbook Homework (17.43)
• Quiz on Monday (first 10 minutes of class – weak acid titration)
• Lab Report in LNB due Wednesday