Problem: 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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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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