Sodium only has one naturally occuring isotope, 23 Na , with a relative atomic mass of 22.9898 u . A synthetic, radioactive isotope of sodium, 22 Na , is used in positron emission tomography. 22 Na has a relative atomic mass of 21.9944 u. A 1.8385 g sample of sodium containing a mixture of 23 Na and 22 Na has an apparent "atomic mass" of 22.9573 u .Find the mass of 22 Na contained in this sample?
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Sodium only has one naturally occuring isotope, 23 Na , with a relative atomic mass of 22.9898 u . A...
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