Chemistry, 13.11.2020 19:10 hit89

Element X has two isotopes: X-79 (59.69% abundance) and X-81 (40.31% abundance). Calculate the atomic weight of Element X. Type in ALL your work including your final answer with correct unit & significant figures.

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Element X has two isotopes: X-79 (59.69% abundance) and X-81 (40.31% abundance). Calculate the atomi...

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