AP Chemistry: Class 23

Period E – Thursday, October 10th

Lab Day – Hess’s Law

• learning to use Pasco data collection
• lab station setup
• location of supplies
• safety
• disposal
• lab pictures – upload to shared lab pictures

Homework (Due Friday)

• Lab Work: calculations, analysis, conclusion (LNB)
• There will be no formal lab report so make sure your work is extra special in your LNB, following all the guidelines.

LAB ANSWER

You cannot determine the identity of the carbonate because the calcium chloride is the limiting reactant in the reaction. Gravimetric analysis only works when the precipitate is tied to the desired limiting reactant.