The average atomic mass of Ga is 69.72. Naturally occurring Ga is composed of Ga-69, which has an atomic mass of 68.91, and of Ga-71, which has an atomic mass of 70.93. What percentage of naturally occurring Ga is Ga-71?

The average atomic mass of Ga is 69.72. Naturally occurring Ga is composed of Ga-69, which has an atomic mass of 68.91, and of Ga-71, which has an atomic mass of 70.93. What percentage of naturally occurring Ga is Ga-71?

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter5: Atomic Theory : The Nuclear Model Of The Atom

Section: Chapter Questions

Problem 27E: What advantage does the atomic mass unit have over grams when speaking of the mass of an atom or a...

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Question

The average atomic mass of Ga is 69.72. Naturally
occurring Ga is composed of Ga-69, which has an atomic
mass of 68.91, and of Ga-71, which has an atomic mass of
70.93. What percentage of naturally occurring Ga is Ga-71?

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