Hi everyone!
Welcome back!
Today we spent some time reviewing names and formulas for chemical formulas. We also reviewed some old math concepts from earlier in the year - significant figures, dimensional analysis, and conversion factors. We then learned how to calculate molecular or molar mass, and convert between or among mass, moles, and molecules. A number of examples were given in the class, so if you were absent, make sure that you get copies of them from people as soon as possible.
Homework - Page 174 1-10, and you must write out the work for each of these problems. Also, Page 175 - all of the problems.
Have a great night, and get some sleep - most of you didn't have enough coming back into school, and I fell into this group as well!
Mr. Rinke
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