Multiple Choice
An element has two naturally occurring isotopes. One has an abundance of 37.4% and an isotopic mass of 184.953 amu. The other has an abundance of 62.6% and a mass of 186.956 amu. What is the atomic weight of the element?
A) 185.702 amu
B) 185.954 amu
C) 186.207 amu
D) 186.956 amu
E) 190.234 amu
Correct Answer:

Verified
Correct Answer:
Verified
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