T Tiya New member Jul 16, 2009 #1 The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 arnu. Abundance of 187Re is 62.6000%. and the atomic mass of 157Re is 186.956 amu.Calculate the mass of 185Re.
The element rhenium (Re) has two naturally occurring isotopes, 185Re and 187Re, with an average atomic mass of 186.207 arnu. Abundance of 187Re is 62.6000%. and the atomic mass of 157Re is 186.956 amu.Calculate the mass of 185Re.
