Chemistry, 27.09.2019 07:20, nicolemaefahey

In sample of elemental bromine, 55% or the atoms are br-79, and the remainder are br-81. if this sample is typical of naturally occurring bromine, what is the average atomic mass of bromine?

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In sample of elemental bromine, 55% or the atoms are br-79, and the remainder are br-81. if this sam...