(Solved): Naturally occurring cobalt consists of only one isotope, 59Co, whose relative atomic mass is Find ...

Naturally occurring cobalt consists of only one isotope, $${}^{59}\mathrm{Co}$$, whose relative atomic mass is Find the mass of $${}^{60}\mathrm{Co}$$ in this sample. 58.9332. A synthetic radioactive isotope of cobalt, $${}^{60}\mathrm{Co}$$, relative atomic mass $$59.9338$$, is used in Express your answer with the appropriate units. radiation therapy for cancer. A $$1.7297\mathrm{g}$$ sample of cobalt has an apparent "atomic mass" of $$58.9901$$.