5. Compare 1 mole of H, 1 mole af Oz, and 1 mole of Fa. (a) Which has the largest number of molecules? Explain why. (b) Which has the greatest mass? Explain why. 6. Calculate the molar mass of each of the following: (State the atomic mass of each atom you are using for each solution) ta) the anaesthetic halothane, CHB-CIF. (b) the herbicide paraquat, CraHuN:Cl, (e) caffeine, CaHuN.O2 (d) urea, COINH). (e) a typical soap, CiHsCO,Na 7. Determine the number of moles of compound and the number of males of each type of atom in each of the following: (Stote the otomic mass of each atom you are using for each solution) (a) 25.0 g of propylene, CH. (b) 3.06 x 10'g of the amino acid glycine, CiH,NO: (c) 25 lb of the herbicide Treflan, CuHuN:OF (1 lb = 454 g) (d) 0.125 kg of the insecticide Paris Green, Cua(AsOal(CH.CO.h (e) 325 mg of aspirin, CHa(COH)(CO,CH)