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    Calculate the atomic weight of rubidium

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    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.

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    Solution Summary

    The expert calculates the atomic weight of rubidium.

    $2.49

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