Multiple Choice
Cerium has four stable isotopes listed below. If the weighted average atomic mass of cerium is 140.116 amu, calculate the atomic mass of cerium-142.
Ce-136 135.90714 amu 0.19%
Ce-138 137.90599 amu 0.25%
Ce-140 139.90543 amu 88.43%
Ce-142 11.13%
A) 141.911 amu
B) 142.341 amu
C) 142.000 amu
D) 141.556 amu
E) 142.911 amu
Correct Answer:
Verified
Correct Answer:
Verified
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