Answered: The element antimony (Sb) has an atomic…

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

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The element antimony (Sb) has an atomic mass of 121.76 amu. Two naturally occurring isotopes of antimony are ¹²¹Sb (57% abundant) and ¹²³Sb (43% abundant). In a sample of 100 Sb atoms, what is the probability that a single selected atom has a mass of 121.76 amu?

A.) 0%

B.) 43%

C.) 57%

D.) 100%

E.) Not possible to determine

Expert Solution

Step 1

The relative abundance of an isotope is the percentage of atoms with a specific atomic mass found in a naturally occurring sample of an element.

as given, 121-Sb is 57% abundant and 123-Sb is 43% abundant that means if 100 atoms of Sb is present out of that 57% are of 121-Sb and 43% of 123-Sb..

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