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An element X has the following isotopic composition..200 X:90%,199 X:8%,202 X:2%.The weighed average atomic mass of the naturally occurring element X is closest to(in amu)?

Asked by pb_ckt 22nd April 2019, 11:20 PM
Answered by Expert
Answer:
A v e r a g e space a t o m i c space w e i g h t space o f space X space equals 90 over 100 cross times 200 space plus space 8 over 100 cross times 199 space plus space 2 over 100 cross times 202 space equals space 180 space plus 15.92 plus 4.04 space equals space 199.96 a m u
Answered by Expert 24th April 2019, 1:48 AM
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