There are two stable isotopes of copper their masses are
There are two stable isotopes of copper. Their masses are 62.9296 amu and 64.9278 amu. If the average atomic mass of copper is 63.55, what is the natural abundance of the lighter isotope?
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there are two stable isotopes of copper their masses are 629296 amu and 649278 amu if the average atomic mass of copper
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