Chemistry Assignment Molar Mass Molar Mass of Elements Calculate the molar mass of each of the following elements: 1) Chlorine (Cl): 2) Uranium (U): 3) Bromine (Br): 4) Determine the number of atoms for each element (Hint: There is one mole of each element!) Molar Mass of Compounds Calculate the molar mass of each of the following compounds: 5) KNO3 6) Na2SO4 7) Ca(OH)2 8) (NH4)2SO3 9) Determine the number of molecules for all compounds. (Hint: There is one mole of each compound!)