SOLVED

61) The chemical formula for the chlorite ion is A) Cl-. B) Cl3-. C) ClO2-. D) ClO3-. 62) The ion, AsO33-, is named A) arsenate ion. B) arsenite ion. C) arsenic dioxide ion. D) arsenic(II) oxide ion. 63) The compound, SO3, is named A) sulfate. B) sulfite. C) sulfur trioxide. D) sulfur (VI) oxide. 64) Determine the name for F2O. A) fluorine oxide B) difluorine monoxide C) fluorine (I) oxide D) fluorine (II) oxide E) fluorate 65) Give the name for PCl3. A) phosphorus trichloride B) potassium trichloride C) phosphorus (III) chloride D) phosphorus (II) chloride E) phosphorus chloride 66) What is the molar mass of chlorine gas? A) 35.5 g/mol B) 70.9 g/mol C) 6.02 × 1023 g/mol D) 1.20 × 1023 g/mol 67) What is the mass of a single bromine molecule, Br2? A) 1.327 × 10-22 g B) 2.654 × 10-22 g C) 79.90 g D) 159.8 g 68) What is the mass of 0.500 mol of trichlorofluoromethane, CCl3F ? A) 3.64 × 10-3 g B) 68.7 g C) 137 g D) 275 g 69) How many moles are there in 4.00 g of ethanol, CH3CH2OH? A) 0.00543 mol B) 0.0870 mol C) 11.5 mol D) 184 mol 70) How many moles of C4H10 contain 9.25 × 1024 molecules of C4H10 ? A) 65.1 moles C4H10 B) 28.6 moles C4H10 C) 34.9 moles C4H10 D) 46.2 moles C4H10 E) 15.4 moles C4H10