Multiple Choice
Cerium has four stable isotopes listed below. If the weighted average atomic mass of cerium is 140.116 u, calculate the atomic mass of cerium-142.
Ce-136 135.90714 u 0.19%
Ce-138 137.90599 u 0.25%
Ce-140 139.90543 u 88.43%
Ce-142 11.13%
A) 141.911 u
B) 142.617 u
C) 140.334 u
D) 142.501 u
E) 139.886 u
Correct Answer:
Verified
Correct Answer:
Verified
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