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A hypothetical element X has 3 naturally occurring isotopes: 41.20% of 21X, with an atomic weight of 21.016 amu, 6.80% of 22X, with an atomic

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A hypothetical element X has 3 naturally occurring isotopes: 41.20% of 21X, with an atomic weight of 21.016 amu, 6.80% of 22X, with an atomic weight of 21.942amu, and 52.00% of 24X, with an atomic weight of 23.974amu. On the basis of these data, calculate the average atomic weight of element X. Report your answer to two decimal places. amu

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