Question

If bromine atom is available in the form of, say, two isotopes 79/35 Br
(49.7%) and 81/35 Br (50.3%), Calculate the average atomic mass of bromine atom.








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Answer 1

Answer:

80.006u

Explanation:

Average atomic mass of Br={Atomic mass of bromine 79/35*percentage +Atomic mass of Bromine81/35 *percentage}

={79×49.7 + 81×50.3}/100

=80.006u