1. Determine the numbers of Fe atoms and determine how many moles of Fe atoms are in the 500.0 grams of iron?
2. Diamond is natural form of pure carbon. Determine the numbers of atoms of carbon are in a 1.00 carat diamond (1.00 carat= 0.200g)?
3. A diamond which is having 5.0 x 10^21 atoms of carbon. Determine how many moles of carbon and calculate how many grams of carbon are in this diamond.