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Set up (show work) and calculate the average atomic mass of an unknown element X with two isotopes, if X-12 makes up 40% of the element and X-14 makes up 60% of the element. (percent abundances)
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Set up (show work) and calculate the average atomic mass of an unknown element X with two

isotopes, if X-12 makes up 40% of the element and X-14 makes up 60% of the element.
(percent abundances)

User Surlac
by
8.2k points

1 Answer

3 votes
12*40/100+14*60/100=12.20
User Renan Kosicki
by
7.0k points
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