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Chemistry, 29.08.2019 17:10 burritomadness

Copper exists in nature as two isotopes. the atomic masses and relative abundance of these isotopes is given in the table. what is the average atomic
mass of copper?
relative abundance(%)
atom
isotope
cu-63
cu-65
163
to
69 17
mass (amu)
62.93
64.94
30.81
30.83
a. 62.93 amu
b. 63.55 amu
c. 63.935 amu
d.
64.94 amu
e
127 87 amu
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