In Atomic Mass
Element X-100 and X-104 the atomic mass of X is 101 amu. What is the relative abundance of each isotope in nature?
The abundance of X-100 is 75 percent, and X-104 has an abundance of25 percent. The answers are found by solving two equations with twounknowns, which are A plus B equals 100, …and 100A plus 104B equals10,100. (MORE)