Question
The element lanthanum (atomic mass 138.905 amu) has two naturally occurring isotopes, La-138 (mass 137.9071 amu ) and La-139 (mass 138.9064 amu). What is the
The element lanthanum (atomic mass 138.905 amu) has two naturally occurring isotopes, La-138 (mass 137.9071 amu ) and La-139 (mass 138.9064 amu). What is the percent abundance of the La-138 isotope? And why
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General Chemistry
Authors: Darrell Ebbing, Steven D. Gammon
9th edition
978-0618857487, 618857486, 143904399X , 978-1439043998
