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Bonus: All work must be shown to receive credit An unknown element (T) is a mixture of four major isotopes shown in the table below.

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Bonus: All work must be shown to receive credit An unknown element (T) is a mixture of four major isotopes shown in the table below. The average atomic mass for Z is determined to be 401.565 u (atomic mass units). What are the % abundances of isotopes 401Z and 403Z ? (Hint: Ch. 3 Additional Problems)

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