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Question
An element, X, has the following isotopic composition: X-200, 90%; X-199, 8.0%; and X-202, 2.0%. Its average atomic mass is closest toA) 200 amu.
B) 203 amu.
C) 199 amu.
D) 202 amu.
E) 201 amu.
Answer
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Q:
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Q:
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