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If an element N has isotopic abundances X% of mass number 12, atomic number 6, and Y% of N of mass number 13, atomic number 6. If their relative isotopic mass is 12.35. Find X and Y.
11 years ago

Answers

DrBob222
12*(x) + 13(1-x) = 12.35
Solve for x
11 years ago

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