SOLVED

61) Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van’t Hoff factors where applicable. A) 0.100 m AlCl3 B) 0.100 m LiBr C) 0.100 m BaCl2 D) 0.100 m C6H12O6 E) They all have the same boiling point. 62) Choose the aqueous solution that has the highest boiling point. These are all solutions of nonvolatile solutes and you should assume ideal van’t Hoff factors where applicable. A) 0.100 mKNO2 B) 0.100 m Li2SO4 C) 0.200 m C3H8O3 D) 0.060 m Li3PO4 E) They all have the same boiling point. 63) Choose the aqueous solution with the lowest vapor pressure. These are all solutions of nonvolatile solutes and you should assume ideal van’t Hoff factors where applicable. A) 0.120 m C2H6O2 B) 0.040 m (NH4)2SO4 C) 0.060 m Li2CO3 D) 0.030 m RbC2H3O2 E) They all have the same vapor pressure. 64) Choose the aqueous solution with the highest vapor pressure. These are all solutions of nonvolatile solutes and you should assume ideal van’t Hoff factors where applicable. A) 0.50 m C4H10O4 B) 0.50 m C2H6O2 C) 0.50 m C5H12O5 D) 0.50 m C11H24O11 E) They all have about the same vapor pressure. 65) Choose the aqueous solution below with the lowest freezing point. These are all solutions of nonvolatile solutes and you should assume ideal van’t Hoff factors where applicable. A) 0.075 m LiCl B) 0.075 m (NH4)3PO4 C) 0.075 m NaBrO4 D) 0.075 m KCN E) 0.075 m KNO2 66) Choose the aqueous solution below with the highest freezing point. These are all solutions of nonvolatile solutes and you should assume ideal van’t Hoff factors where applicable. A) 0.200 m Mg(ClO4)2 B) 0.200 m Na3PO3 C) 0.200 m HOCH2CH2OH D) 0.200 m Ba(NO3)2 E) These all have the same freezing point. 67) What is the freezing point of a solution of 7.15 g MgCl2 in 100 g of water? Kf for water is  A) -0.140°C B) -1.40°C C) -2.80°C D) -4.18°C 68) What is the expected freezing point of a 0.50 m solution of Li2SO4 in water? Kf for water is 1.86°C/m. A) -0.93°C B) -1.9°C C) -2.8°C D) -6.5°C 69) A KCl solution is prepared by dissolving 25.0 g KCl in 250.0 g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 23.76 mm Hg? A) 21.6 mm Hg B) 22.7 mm Hg C) 23.2 mm Hg D) 24.9 mm Hg 70) In an ________ solution, red blood cells ________. A) isomotic, have a normal shape B) hyperosmotic, have a normal shape C) hyposmotic, lose water and shrivel D) isosmotic, lose water and shrivel E) isosmotic, swell and may burst