2. Given that the abundances of isotopes 54Fe, 56Fe and 57Fe are 5%, 9 – InterviewSolution

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1.	2. Given that the abundances of isotopes 54Fe, 56Fe and 57Fe are 5%, 90% and 5% respectively, the atomic mass of FeisA) 55.85%VB) 55.95%C) 55.75%D) 56.05%
Answer» atomic mass of Fe = (0.0554+0.956+0.05*57) = 55.95

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