2. Atoms & Elements
Atomic Mass
7:04 minutes
Problem 77b
Textbook Question
Textbook QuestionBromine has two naturally occurring isotopes (Br-79 and Br-81) and has an atomic mass of 79.904 amu. The mass of Br-81 is 80.9163 amu, and its natural abundance is 49.31%. Calculate the mass and natural abundance of Br-79.
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