As per Chegg rules, I should answer only one question so please ask the remaining question in another post.
8. Which aqueous solution will have the lowest freezing point? A) 0.60 molal sucrose B) 0.50...
Which aqueous solution has the lowest freezing point? A. 8.758.75 m sucrose, C12H22O11C12H22O11 B. 8.758.75 m ethanol, C2H6OC2H6O C. 8.758.75 m ethylene glycol, C2H6O2C2H6O2 D. All three solutions have the same freezing point.
Which of the following aqueous solutions has the lowest freezing point? The Kf of water is 1.86 kg.oC/mol. a. 0.8 m CH3OH (methanol) b. 0.4 m NaCl c. 0.3 m MgBr2 d. 0.2 m AlF3 e. 0.25 m Ca(NO3)2 Calculate the freezing point ONLY for the solution you marked as your answer above.
Calculate the freezing point of a solution that contains 68.4 g of sucrose (table sugar, 342 g/mol) in 300. g of water. One mole of sucrose is 342 g. Kf for H2O = 1.86°C/m.
QUESTION 11 Determine the molal concentration of a sugar solution in water that has a freezing point of-2.1°C. Kf 1.86°C/m for water Oa.-1.13 m b.-3.91 m c. 1.13 m d. 0.113 m e. 3.91 m
an aqueous solution is 0.4742 molal in calcium chloride. it has a freezing point of -2.345 degrees C. determine the effective number of particles arising from each CaCl2 formula unit in this solution. For water, Kfp=1.86 degrees C/m.
Which aqueous solution will have the lowest freezing point? (a) 0.050 m CaCl2 (b) 0.15 m NaCl (c) 0.10 m HCl (d) 0.050 m CH3COOH (e) 0.20 m C12H22O11
An aqueous sucrose (C12H22O11) solution of unknown concentration is found to have a freezing point of –0.912°C. What is the normal boiling point and the partial pressure (in torr) of water at 25°C of this solution? Kb (H2O) = 0.51°C/m; P°(H2O) = 23.800 torr at 25°C.
12. Which of the following aqueous solutions would give the lowest freezing point? You must justify your answer. (Assume ideal behavior for the solutions.) a) 0.10 m Na2SO4 b) 0.20 m KF c) 0.20 m ethanol (C2H5OH) d) 0.10 m KNO3
Match the following aqueous solutions with the appropriate letter from the column on the right. I. 0.14 m Ni(CH3COO)2 A. Lowest freezing point 2. 0.13 m Cr(CHjCOO2 B. Second lowest freezing point 3. 0.15 m Ni(CH,COO)2 C. Third lowest freezing point D. Highest freezing point 4. 0.48 m Sucrose(nonelectrolyte) Submit Answer Retry Entire Group 9 more group attempts remaining Match the following aqueous solutions with the appropriate letter from the column on the right. I. 0.14 m Ni(CH3COO)2 A. Lowest...
1) Which salt solution would have the lowest freezing point? a) 0.10 m FeCl, b) 0.20 m NaCl 20.20 m KNO d) 0.50 m CH NH 2) Which of the following 50 g sample of metal would require the most heat to go from 25°C to 100°C? a) iron b) copper c) lead d) they would all require the same amount of heat 3) The reaction A+B -> 2C has a K of 15.8. If the concentrations are currently [A]...