3. Calculate the atomic mass of bromine. The two isotopes of bromine have atomic masses and relative abundance of 78.92 amu (50.
69%) and 80.92 (49.31%).
1 answer:
(78.92) (50.69)+(80.92)(.4931)
(4000)+(39.90)
=79.9 amu
Answer is 79.9 amu
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