2 Hour Delay
Warm-ups: Answer to yesterday's Challenger:
In a copper mine, ore can be mined
as chalcopyrite (CuFeS2) or as malachite
(CuCO3). Which is a richer source of
copper ore?
Objectives: Evaluation
Announcements: Quiz on molar mass,
mole-mass, mole-molecule calculations
& % composition tomorrow!
check the homework
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