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 aqueous solution has the lowest freezing point? A. 8.758.75 m sucrose, C12H22O11C12H22O11 B. 8.758.75 m...
8. Which aqueous solution will have the lowest freezing point? A) 0.60 molal sucrose B) 0.50 molal KF C) 0.60 molal glucose D) 0.24 molal Fel3 9, If "A" contains 2% NaCl and is separated by a semipermeable membrane occur? A) NaCI will flow from "A" to "B". B) NaCI will flow from "B" to "A". C) Water will flow from "A" to "B". D) Water will flow from "B" to "A". E) none of the above from "B which...
Which solute produces the lowest freezing point in a 0.25 m aqueous solution? A. Calcium Chloride B.Potassium Permanganate C. Copper (II) Sulfate D. Ethanol E. Potassium iodide
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...
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
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.
Question 30 (1 point) Which of the following aqueous solutions will have the lowest freezing point? a) 0.40 m C2H5OH b) 0.20 m C6H1206 c) 0.10 m CaCl2 d) 0.20 m Naci e) 0.20 m Na2SO4 Question 31 (1 point) The nonvolatile, nonelectrolyte testosterone, C9H2802 (288.4 g/mol), is soluble in ethanol, in 19
1. 1200 mL aqueous solution of 45 g of ethylene glycol and 80 g of sucrose were prepared with a density of 1.37 g/mL. Assume that the solution behaves ideally. Notes: The vapor pressures of water and ethylene glycol at 20 °C are 17.54 torr and 0.06 torr, respectively, and Kb and Kf of water are 0.51 K/m and 1.86 K/m, at 25 °C respectively. a. What is the freezing point of this solution? b. What is the vapor pressure,...
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
The largest value in the lowering of the freezing point of water will be observed for a 0.01 M aqueous solution of: (A) NaCl (B) CaCl2 (C) Ethylene glycol (HOCH2CH2OH) (D) Glucose (C6H12O6) (E) Sucrose (C12H22O11)
Question 20. Calculate the freezing point depression and the freezing point of a 1.7 m ethylene glycol solution [-3.2 °C] Question 21. Calculate the freezing point of a 2.6 m sucrose solution. I - 4.8°C] Question 22. Calculate the boiling point elevation and the boiling point of 1.7 methylene glycol solution. [100. 87°C] Question 23. Calculate the boiling point of a 3.5 m glucose solution. [ 101.8°C]