Only two isotopes of copper occur naturally, 63 Cu (atomic
Chapter , Problem 2.35(choose chapter or problem)
Only two isotopes of copper occur naturally, 63 Cu (atomic mass = 62.9296 amu; abundance 69.17%) and 65 Cu (atomic mass = 64.9278 amu; abundance 30.83%). Calculate the atomic weight (average atomic mass) of copper.
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