Calculate the average atomic mass of element X given the following isotopes and relative abundance. 23.9850 Da (78.11%) 24.9859 Da (10.42%) • 25.9826 Da (11.47%) Select one: O a. 24.32 Da O b. 24.98 Da O c. 25.67 Da d. 24.29 Da 5

Calculate the average atomic mass of element X given the following isotopes and relative abundance. 23.9850 Da (78.11%) 24.9859 Da (10.42%) • 25.9826 Da (11.47%) Select one: O a. 24.32 Da O b. 24.98 Da O c. 25.67 Da d. 24.29 Da 5

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter10: The Mole

Section: Chapter Questions

Problem 113A

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Atoms and Molecules

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.

Question

Calculate the average atomic mass of element X given the following isotopes and relative
abundance.
23.9850 Da (78.11%)
• 24.9859 Da (10.42%)
• 25.9826 Da (11.47%)
Select one:
O a. 24.32 Da
O b. 24.98 Da
O c. 25.67 Da
O d. 24.29 Da
-

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