7. The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of 281.95 u, 25.12% at a mass of 283.99 u, and the remainder has a mass of 286.94 u. Calculate the average atomic mass of the element.

7. The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of 281.95 u, 25.12% at a mass of 283.99 u, and the remainder has a mass of 286.94 u. Calculate the average atomic mass of the element.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

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An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.

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7. The natural distribution of the isotopes of a hypothetical element is 65.79% at a mass of 281.95 u, 25.12%
at a mass of 283.99 u, and the remainder has a mass of 286.94 u. Calculate the average atomic mass of the
element.

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