AP Chemistry: Class 29

Equivalence not 7

Dates

• Period E – Wednesday, March 12th

Lab Review

• where is equivalence point on the titration curve?
• why is this not at pH = 7?
• weak acid titration would have completely different end point and indicator – why?
• how does phenolphthalein operate?
• why is this a valid indicator?
• how do we explain the difference between the two methods?

New Material – AP Problems

• Problems posted in the shared drive
• complete all of them for homework

Homework

• AP Problems – SELECT ONLY 2 OF THE 3 POSTED