Calculate the atomic weight of rubidium

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Reference no: EM13112227

Rubidium has two naturally occurring isotopes with the following masses and natural abundances:

Isotope Mass Abundance
Rb-86 85.9118 72.15
Rb-87 86.9092 27.85

Calculate the atomic weight of rubidium. Please explain in details.

Reference no: EM13112227

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