elizabeth1moynihan elizabeth1moynihan

18-12-2022
Chemistry

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An unknown element X has the following isotopes: ¹ºX (20.00%-
abundant, atomic mass = 10.01 amu) and ¹¹X (80.00% abundant,
atomic mass = 10.99 amu). What is the average atomic mass in amu
of X?

An unknown element X has the following isotopes ºX 2000 abundant atomic mass 1001 amu and X 8000 abundant atomic mass 1099 amu What is the average atomic mass i class=

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