To calculate the average atomic mass of an element from its mass spectrum
CHEMISTRY · Single correct · A Level · Chemistry · Atomic structure · Atomic structure
Problem
To calculate the average atomic mass of an element from its mass spectrum, which of the following sets of information must be known?
(a) Only the relative abundances of the isotopes present.
(b) The mass and relative abundance of each isotope present.
(c) The masses of the isotopes present and the total ion current.
(d) Only the masses (or m/z positions) of the isotopes present.