Multiple Choice
The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. One of the isotopes has an atomic weight of 62.9 amu and constitutes 69.1% of the copper isotopes. The other isotope has an abundance of 30.9%. The atomic weight (amu) of the second isotope is
Amu)
A) 63.2
B) 64.8
C) 64.1
D) 63.8
E) 28.1
Correct Answer:
Verified
Correct Answer:
Verified
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