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Problem III – Iron in a meteorite (7 points) The iron isotopic composition of a meteorite is characteristic of the provenance

Please explain how the answer is the obtained, thank you.

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molar Fraction Isotope molar mass (gmoll) 53.93961 sufe 55.93493 0.91754 safe 57fe 56.93539 0.08246-X Average molas mass of f53.93961X - 56.93539 4 & 56.01742793= 55.84232 -2.99578 X = -0.17510793 x = 0.17510793 - = 2.99578 0.05845 X = 0.05845 Isotop

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