Vaneecie discovered a new element! Her newly discovered element has three naturally occurring isotopes: Vaneecie-33, Vaneecie-37, and Vaneecie-38. If each isotope has an equal abundance what is the average atomic mass of Vaneecie?
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The atomic mass is given by,
Average atomic mass =∑
i=1
n
(mass
(i)
)(Abundance
(i)
)
m=
100
90.51×19.99+0.27×20.99+9.22×21.99
=20.18u
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