1. How many water molecules are in one mole of water ? 2. What is the mass, in grams, of one mole of water ? 3. What is the mass in grams of one water molecule ? 4. Perform the following operations: 1 mole of Fe = _____ g Fe 1 mole of CCl4 = _____ g CCl4 0.023 mole of NaCl = _____ g NaCl 6.5 g of HF = _____ mole of HF 5. Give the atomic masses of the following elements. H C O Cl Cu U 6. Compute the molecular masses of the following substances. CO2 HClO3 S8 7. Compute the mass of one mole of each of the following substances. Cu O2 C12H22O11 Al2O3 8. Lime, calcium oxide (CaO), is prepared industrially by the thermal decomposition of limestone, calcium carbonate (CaCO3). Carbon dioxide is also produced in this reaction. Write a balanced reaction equation for this decomposition. Calculate how many grams of lime can be made from 275 g of limestone using this reaction. 9. Sulfuric acid, H2SO4, is made industrially by the reaction of sulfur trioxide (SO3) with water. Write a balanced reaction equation for this process. Calculate how many grams of sulfur trioxide are required to make 75 g of sulfuric acid using this reaction. Answers = Please work before checking