How to calculate atomic mass of an isotope given the isotopic mass and percentage abundance of another posted on September 5, 2022 From the video, you will learn how to solve the following question: Copper has two isotopes. Copper – 63 has an atomic mass of 62.93 amu and an abundance of 69.17%. What is the atomic mass of the …Continue Reading about How to calculate atomic mass of an isotope given the isotopic mass and percentage abundance of another →