Assignment \#2 (14 questions) On earth, tin has 10 different stable isotopes. The heaviest, 124Sn makes up 5.80% of naturally occurring tin atoms. a) How many atoms of 124Sn are present in 34.9g of a natural sample of tin? 124Sn: Helpful tip: To enter a number in scientific notation, enter 1.0E5 or 1.055 f for 1.0105 where the E= (or eq)denctes 102 b) Considering 124Sn has an isotopic mass of 123.905amu, calculate the mass of this isotope in the sample. Mass