the answer is in the picture, btw the molar mass for the first one is wrong, it should be 77.98, and the final product is 2.32
The particle picture is best described as....
2 answers:
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2.) Average atomic mass =Σ (abundance x molar mass) /100
= (12.64 x 302.04 + 18.23 x 304.12 + 69.13 x 305.03) /100
=304.486 u(Dalton) . This is avg atomic mass.
