Chemistry, 11.12.2020 08:40 janelle3496
Calculate the average atomic mass for an element X that has two naturally occurring isotopes: X-79 (abundance = 50.69%, mass = 78.918 amu) and X-81 (abundance = 49.31%, mass = 80.917 amu). Calculate the weighted atomic mass of X. (use proper significant figures)
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Calculate the average atomic mass for an element X that has two naturally occurring isotopes: X-79 (...
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