Chemistry, 27.09.2019 22:20 ToxicMonkey

The atomic weight of antimony is 121.75 u. there are two naturally occurring isotopes of antimony. 121sb has an isotopic mass of 120.9038 u and has a natural abundance of 57.25%. what is the isotopic mass of the other isotope 123sb?
1. 122.93 u
2. 122.88 u
3. 123.06 u
4. 122.97 u
5. 122.82 u

Answers: 2

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The atomic weight of antimony is 121.75 u. there are two naturally occurring isotopes of antimony. 1...