iarasilo3941 iarasilo3941

29-09-2022
Chemistry

contestada

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?

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