1 point What is the freezing point of an aqueous solution prepared by dissolving 113 g...
A solution is prepared by dissolving 52.4 g of FeCl2 in 1,098.3 g of H2O. What is the freezing point of the solution in °C, assuming ideal behavior? (MM FeCl2 = 126.751 g/mol; Kf for water = 1.86 °C/m). Report your answer to 3 decimal places.
What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of in 115 g of water? [Use these Molar Masses: Ca = 40, N = 14, O = 16. Also, the molal freezing point depression constant for water is 1.86 °C/m.]
What are the freezing point and boiling point of a solution prepared by dissolving 18.6g of CaCl2 in 200.0g of water? (kf = -1.86
Calculate the molality of an aqueous solution of KBr whose freezing point is -4.95 degrees celsius. The Kf of water is 1.86 degrees C/m. Calculate the ideal Van't Hoff factor for KBr? Show work
You have a aqueous solution of NaCl that has a freezing point of -9.35°C. Assuming a van't Hoff factor of 1.9 for NaCl, what is the mass percent of chloride ion in the solution? (Kf for water is 1.86°C kg/mol).
17 Marks: 1 What is the freezing point of water made by dissolving 10.74 g of magnesium chloride in 86.59 g of water? The freezing-point depression constant of water is 1.86 °CIm Answer: 18 Marks: 1 What is the freezing point of water made by dissolving 16.31 g of sodium chloride in 93.18 g of water? The freezing-point depression constant of water is 1.86 °C/m. Answer 19 Marks: 1 What is the freezing point of water made by dissolving 46.18...
van't Hoff Factor Chem 202 Freezing Point of Aqueous Solutions Results Experimental freezing point values determined from graphs (sce directions on p. 3-5, steps 2,3): Sample Ty measured /°C AT measured / °C Distilled Water (solvent) -0.1°C Follow your instructor's Solution D (Naci) -1.8°C 1.7°C directions for submitting these values Solution G (lalla) -1.0°C 0.9°C before you leave lab! van't Hoff factor values (see directions on p. 3-6, steps 4-5): Solution D Solute Compound Naci Molality 0.505 mol/kg Ideal van't...
The freezing point depression constant of water is -1.86 C/m. If 7.50 g NaCl is dissolved in 45.0 g H, O, the freezing point is changed by -9.71 *C. Calculate the van't Hoff factor for Naci. Select one: O a. 1,00 . OOOO c. 1.83
Calculate the freezing point (in degrees C) of a solution made by dissolving 2.56 g of sucrose in 37.2 g of water. The Kfp of the solvent is 1.86 K/m and the normal freezing point is 273 K. Enter your answer to 2 decimal places.
help needed ! 1 . An aqueous solution is prepared by dissolving 120.6 g of the ionic compound, Libr, in i 010.0 g of water. Calculate the freezing point of this LiBr aqueous solution?