Multiple Choice
Copper has two naturally occurring isotopes with atomic masses of 62.9296 u ( ) and 64.9278 u (
) .The atomic mass of copper is 63.546 u.What is the percent distribution of the isotopes?
A) 69.15% ,30.85%
B) 30.85% ,69.15%
C) 1.08% ,98.92%
D) 98.92% ,1.08%
E) 99.03% ,0.97%
Correct Answer:

Verified
Correct Answer:
Verified
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