Calculate the atomic mass of element ʺXʺ, if it has 2 naturally occurring isotopes with the following masses
and natural abundances:
X-45 44.8776 amu 32.88%
X-47 46.9443 amu 67.12%
A) 46.27 amu
B) 45.91 amu
C) 46.34 amu
D) 46.84 amu
E) 44.99 amu
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