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in Chemistry by (73.6k points)
The isotopic abundance of `C-12` and `C-14 "is" 98%` and `2%` respectively. What would be the number of `C-14` isotope in `12 g` carbon sample?
A. (a)`1.032xx10^(22)`
B. (b)`1.20xx10^(22)`
C. (c )`5.88xx10^(23)`
D. (d)`6.02xx10^(23)`

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1 Answer

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by (70.6k points)
Correct Answer - B
`N=6.023xx10^(23)xx2/100=1.20xx10^(22)`

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