Fru has 4 naturally occurring isotopes that are
very strange. The 1" isotope has a mass of 222.2. The 2nd isotope is twice as abundant as the 1st and has a mass
of 233.3 The 3rd isotope is 3 times as abundant as the 1st and has a mass of 244.4. The 4th isotope has an average
mass of 205.5. The average atomic mass for Fru is 235.2. Find the % abundance for each of Fru's 4 isotopes.
