2. Atoms & Elements
Atomic Mass
3:57 minutes
Problem 36
Textbook Question
Textbook QuestionRubidium has two naturally occurring isotopes, rubidium-85 (atomic mass = 84.9118 amu; abundance = 72.15%) and rubidium-87 (atomic mass = 86.9092 amu; abundance = 27.85%). Calculate the atomic weight of rubidium
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