leannaadrian
23.12.2019 •
Chemistry
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?
a) 122.97 u
b) 122.88 u
c) 123.06 u
d) 122.93 u
e) 122.82 u
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Ответ:
B 122.88 u
Explanation: Please see attachment for explanation.
Ответ:
no
Explanation:
because when is iron oxide + water given you iron hydroxide while the other one is Iron plus 2 moles of water giving you iron hydroxide and hydrogen