- #1
apchemstudent
- 220
- 0
GCT said:This may work
[tex] \frac{84.91x+86.91y}{x+y}=85 [/tex]
solve for [tex]x/y[/tex], or the x in terms of y
find [tex](100)x/(x+y)[/tex]
Atomic mass is the average mass of all the isotopes of an element, taking into account their abundance in nature.
Isotopes are atoms of the same element that have different numbers of neutrons in their nucleus. This results in different atomic masses for each isotope.
Atomic mass is calculated by multiplying the mass of each isotope by its relative abundance and then summing these values for all the isotopes of an element.
Atomic mass is sometimes a decimal number because it is an average of all the isotopes of an element, and these isotopes may have different masses. This results in a weighted average that is not always a whole number.
Atomic mass is important because it helps us to identify and distinguish between different elements. It is also used in various calculations and experiments in chemistry and physics.