2.10 The following table presents the abundances and masses of the isotopes of germanium. What is the atomic weight of germanium?Isotope Abundance Mass70 Ge20.8%69.9242 amu72 Ge27.5%71.9221 amu73 Ge7.75%72.9235 amu74 Ge36.3%73.9212 amu76 Ge7.65%75.9214 amuA) 72.6 amuB 73.8 amuc) 74.4 amuD) 73.2 amu

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Answered: Isotope Abundance Mass 69.9242 amu 70…

Isotope Abundance Mass 69.9242 amu 70 Ge 20.8% 71.9221 amu 72 Ge 27.5% 72.9235 amu 73 Ge 7.75% 73.9212 amu 74 Ge 36.3% 76 Ge 75.9214 amu 7.65%

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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Concept explainers

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".

Question

2.10

The following table presents the abundances and masses of the isotopes of germanium. What is the atomic weight of germanium?
Isotope Abundance Mass
70 Ge
20.8%
69.9242 amu
72 Ge
27.5%
71.9221 amu
73 Ge
7.75%
72.9235 amu
74 Ge
36.3%
73.9212 amu
76 Ge
7.65%
75.9214 amu
A) 72.6 amu
B 73.8 amu
c) 74.4 amu
D) 73.2 amu

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