Chemistry, 26.01.2022 21:30, ahrozycki

16. Radioactive element has 2 isotopes. The relative abundance of one element is 65% with a mass of 29.37. The remainder has an atomic mass of 31.05. Find the average atomic mass of the element.
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16. Radioactive element has 2 isotopes. The relative abundance of one element is 65% with a mass of...