The three isotopes of a naturally occurring mystery element X are 39X, 38.963707 amu; 40X, 39.963999 amu and 41 X, 40.96210 amu. The percent natural abundances of 39X and 41X are 93.2581% and 6.7302%, respectively. Determine the average atomic mass of X and identify the element.

Isotopemasspercent of natural abundance39X38.963707 amu93.2581 %40X39.963999 amu[100 - (93.2581 +…

Answered: The three isotopes of a naturally…

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter2: Chemical Compounds

Section: Chapter Questions

Problem 29QRT: Argon has three naturally occurring isotopes: 0.3336% 36Ar, 0.063% 38Ar, and 99.60% 40Ar. Estimate...

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The three isotopes of a naturally occurring mystery element X are ³⁹X, 38.963707 amu; ⁴⁰X, 39.963999 amu and ⁴¹ X, 40.96210 amu. The percent natural abundances of ³⁹X and ⁴¹X are 93.2581% and 6.7302%, respectively. Determine the average atomic mass of X and identify the element.

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