Mg has three stable isotopes. Given a sample of Mg with the following masses and percent abundances: 24Mg:  23.9850 amu,   58.42% 25Mg:  24.9858 amu,   15.22% 26Mg:  25.9826 amu,   26.36% The average atomic mass (in amu) is ……………………

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter2: Atoms, Molecules, And Ions
Section: Chapter Questions
Problem 24QAP: Neon is an inert gas with three stable isotopes. It is used in gas lasers and in advertising signs....
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  1. Mg has three stable isotopes. Given a sample of Mg with the following masses and percent abundances:

24Mg:  23.9850 amu,   58.42%

25Mg:  24.9858 amu,   15.22%

26Mg:  25.9826 amu,   26.36%

The average atomic mass (in amu) is ……………………

 

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