A sample of gallium contains two isotopes and its atomic weight is 69.72 amu. If the sample is composed of 60.10% 69G (68.926 amu), what is the identity and atomic weight of the other isotope? O a.71Ga (70.92 amu) Ob.70Ga (70.25 amu) OC 71Ga (70.25 amu) Od.70Ga (70.51 amu) Oe. 70Ga (70.92 amu)
A sample of gallium contains two isotopes and its atomic weight is 69.72 amu. If the sample is composed of 60.10% 69G (68.926 amu), what is the identity and atomic weight of the other isotope? O a.71Ga (70.92 amu) Ob.70Ga (70.25 amu) OC 71Ga (70.25 amu) Od.70Ga (70.51 amu) Oe. 70Ga (70.92 amu)
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter2: Atoms And Molecules
Section: Chapter Questions
Problem 2.16PAE: The element gallium, used in gallium arsenide semiconductors, has an atomic weight of 69.72 amu....
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