If a bromine atom is available in the form of two isotopes Br(49.7%) and Br(50.3%), calculate the average atomic mass of bromine atom.
Answers
Answered by
10
Answer:Average atomic mass of Br=[AtomicmassofBr
35
79
×percentage + AtomicmassofBr
35
81
×percentage]/100
=[79×49.7 + 81×50.3]/100
=80.006u
The correct answer is = 80.006u
Answered by
6
Answer:
Percentage of 79/35 Br isotope = 49.7
Percentage of 81/35 Br isotope = 50.3
Average atomic mass = 49.7 x 79 +50.3 x 81/100
= 3926.3 + 4074.3/100
= 8000.6/100
=80.006
Explanation:
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