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OpenStudy (anonymous):
Suppose that a newly discovered element called centium has three isotopes...? that occur in nature. These are centium-200, centium-203, and centium-209. Assume that these isotopes occur equal in nature. What will be the average atomic mass of this element?
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OpenStudy (aaronq):
(1/3)(200+(1/3)(203)+(1/3)(209)= weighted average
OpenStudy (aaronq):
missed a bracket.. (1/3)(200)+....
OpenStudy (anonymous):
Thank You Very Much aaronq
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