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Multiple Choice = 1 point Let's compare now a polar and a nonpolar liquid of similar molar masses (i.. HaS, HCI, PH3, and ). Apolar liquid is one consisting of polar molecules whereas a nonpolar liquid, such as hexane, contains molecules without a permanent dipole moment. 400 *Group 6A (Polar) * * Group 5A (Polar) 350 Group 7A (Polar) = == Group 44 (Nonpolar) Sy c H,Te o 250 oO = 6 200 a 150 100 Qo 20 40 60 80 100 120 140 Molar Mass (g/mol) Hint: Consider the boiling point trends for BOTH polar and nonpolar molecules represented by solid lines in groups 4A, 5A, 6A, and 7A. (Do not include NH, HF, or H20.) Which of the following is a true statement? For molecules of approximately the same molar mass, a liquid comprised of POLAR molecules would be expected to have a lower boiling point than one comprised of NONPOLAR molecules. (_) For molecules of approximately the same molar mass, a liquid comprised of POLAR molecules would be expected to have a higher boiling point than one comprised of NONPOLAR molecules. (_) POLAR and NONPOLAR liquids comprised of molecules of approximately the same molar mass are expected to have similar boiling points