Bellringer 10/20

Bellringer 10/20

Bellringer 10/18
Practice isotope problem (like penny lab)
Copper is made up of two isotopes, Cu-63 (62.9296 amu) and Cu-65
(64.9278 amu). Given copper's atomic weight of 63.546, what is the
percent abundance of each isotope?
Penny lab is due today! Next time Mole guided reading is due for a
homework stamp grade.
TEST on 10/24 next Tuesday!!!!

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