How do I calculate the average atomic mass of the element X?
Isotope Abundance Mass
221X 74.22 220.9
220X 12.78 220.0
218X 13.00 218.1
How do I calculate the average atomic mass of the element X?
Isotope Abundance Mass
221X 74.22 220.9
220X 12.78 220.0
218X 13.00 218.1