I checked homework and collected the lab. Answers to the homework can be found here. I also gave HW Quiz #6. I did a demonstration showing how polar solvents will dissolve a polar solute, but not a non-polar solute. We did DWU#4 and learned about concentrations and dilutions and how to read a solubility graph. The last 30 minutes was spent doing the supersaturation lab.
HW: read 15.1-15.6; p. 473 #1-4 p. 499 #14,15,16,20,23,24
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