contestada


Suppose a new element is discovered and it has two stable isotopes. One isotope has a mass of 73.762 u and an abundance of
39.81%. The average atomic mass of the element is 73.286 u. What is the mass of the second isotope?
mass of isotope:

Suppose a new element is discovered and it has two stable isotopes One isotope has a mass of 73762 u and an abundance of 3981 The average atomic mass of the el class=