Rhenium has two naturally occurring isotopes: Re-185 with a natural abundance of 37.40%
Chapter 0, Problem 110(choose chapter or problem)
Rhenium has two naturally occurring isotopes: Re-185 with a natural abundance of 37.40%, and Re-187 with a natural abundance of 62.60%. The sum of the masses of the two isotopes is 371.9087 amu. Find the masses of the individual isotopes.
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