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Sodium only has one naturally occuring isotope, 23Na, with a relative atomic mass of 22.9898 u. A synthetic, radioactive isotope of sodium, 22Na, is used in positron emission tomography. 22Na has a relative atomic mass of 21.9944 u. A 1.8652 g sample of sodium containing a mixture of 23 Na and 22Na has an apparent "atomic mass" of 22.9415 u. Find the mass of 22 Na contained in this sample. mass of 22Na:

Sodium only has one naturally occuring isotope, 23Na, with a relative atomic mass of 22.9898 u. A synthetic, radioactive isotope of sodium, 22Na, is used in positron emission tomography. 22Na has a relative atomic mass of 21.9944 u. A 1.8652 g sample of sodium containing a mixture of 23 Na and 22Na has an apparent "atomic mass" of 22.9415 u. Find the mass of 22 Na contained in this sample. mass of 22Na:

Introductory Chemistry: An Active Learning Approach
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 57E: The element lanthanum has two stable isotopes, lanthanum 138 with an atomic mass of 137.9071u and,...
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Sodium only has one naturally occuring isotope, 2°N., with a relative atomic mass of 22.9898 u. A synthetic, radioactive isotope of sodium, 22Na, is used in positron emission tomography. 22Na has a relative atomic mass of 21.9944 u. A 1.8652 g sample of sodium containing a mixture of 23 Na and 22Na has an apparent "atomic mass" of 22.9415 u. Find the mass of 22 Na contained in this sample. mass of 22N.:
Transcribed Image Text:Sodium only has one naturally occuring isotope, 2°N., with a relative atomic mass of 22.9898 u. A synthetic, radioactive isotope of sodium, 22Na, is used in positron emission tomography. 22Na has a relative atomic mass of 21.9944 u. A 1.8652 g sample of sodium containing a mixture of 23 Na and 22Na has an apparent "atomic mass" of 22.9415 u. Find the mass of 22 Na contained in this sample. mass of 22N.:
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