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05-01-2024
Chemistry

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An element X has the following isotopes: ²⁰⁸X (29.00% abundant, atomic mass = 208.1), ²¹²X (8.000% abundant, atomic mass = 212.0), ²¹⁸X (63.00% abundant, atomic mass = 217.9). What is the average atomic mass in amu of X?

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