CH33 – Still VL

Dates

• P4 – Monday, April 2nd
• P5 – Monday, April 2nd
• P7 – Tuesday, April 3rd

Mini-Lab Reports

• nice job! very clean and logical
• reminder: writing in LNB is not the same as reporting
• beware of “copy-paste” [I CAN TELL]
• don’t split calculations / tables
• conclusion verb is not “is”
• review formatting
• context is not explaining specifics
• grading standards applied more diligently next time

Recap – Virtual Lab Prelab #3

• Given: 1 M NaOH, 0.1 M HCl, 0.09000 M KHP
• how do we go about determining concentration of acid?
• how do I plan the steps?
• what volumes are optimal?
• did you create a procedure?
• what answers did you get?

My Lab Bench

New Problem – Standardization of NaOH

• Homework –> Acids and Bases –> Standardization of NaOH
• Pretend its a “real” (typed) lab write up
• Purpose / Data / Calcs / Conclusion sections only
• NOTE: YOU MUST USE TWO BURETS (JUST LIKE THE REAL WORLD)

Homework

• Complete and submit the reports
• one per lab group
• be sure and print before class