Chemistry, 24.03.2020 01:24, DominaterDreemurr

Calculate the average atomic mass of rubidium if 72.17% of its atoms have a
mass of 84.91 amu and 27.83% of its atoms have a mass of 86.91 amu.

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Calculate the average atomic mass of rubidium if 72.17% of its atoms have a
mass of 84.91 amu...