Multiple Choice
Rubidium possesses two stable forms and has an average mass of 85.5. 85Rb has a mass of 84.9 and a percent abundance of 72.2%. What is the mass of the other form of Rb?
A) 86.1 u
B) 85.7 u
C) 88.3 u
D) 87.1 u
E) 89.4 u
Correct Answer:
Verified
Correct Answer:
Verified
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