J Jason New member Feb 5, 2011 #1 63Cu has an abundance of 69.09%, 65Cu has an abundance of 30.91%, The average atomic mass between these two isotopes is 63.546 A.M.U. Calculate the actual atomic mass of 65Cu. Could you plz show me working out thank
63Cu has an abundance of 69.09%, 65Cu has an abundance of 30.91%, The average atomic mass between these two isotopes is 63.546 A.M.U. Calculate the actual atomic mass of 65Cu. Could you plz show me working out thank