1. Why do we use the "mole" in chemistry. How does it relate to the periodic table?
2. What is the mass of 1 mole of a compound? Pick a compound - each student should have a different compound.
3. How many oxygen atoms are in 19 g of CnH2nOn i.e. C6H12O6? Each student will choose a different value for 'n'. Show your work for others to see in the class.