Be sure to answer all parts. Calculate the vapor pressure of a solution made by dissolving...
Calculate the vapor pressure of a solution made by dissolving 94.5 g of urea (molar mass= 60.06 g/mol) in 214.5 mL of water at 35°C (Hint: The vapor pressure of pure water at 35°C is given in the table below. Assume the density of the solution is 1.00 g/mL.) What is the magnitude of vapor-pressure lowering? mmHg
Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose in 920.0 mL of water at 25oC. Assume the density of the solution is 1 g/mL.
I know that the answer is a but what are the steps?? 3. Calculate the vapor pressure at 20.0° C of a saturated solution of the nonvolatile solute urea CO(NH2)2, in methanol, CH3OH. The solubility is 17.0 g urea/100.0 mL methanol. The density of methanol is 0.792 g/mL and its vapor pressure at 20.0° C is 95.7 mmHg. [The molar mass of urea is 60.06 g/mol and for methanol is 32.04 g/mol] A) 85.9 mmHg B) 28.3 mmHg C) 24.7...
Calculate the expected vapor pressure at 25 °C for a solution prepared by dissolving 235 g ethanol (M = 46 g/mol) in 500 mL of water. At 25 °C, the density of water is 0.9971 g/cm3 and the vapor pressure is 23.76 torr.
Calculate the vapor pressure depression of a solution that 218 gram glucose (180.2 g/mol) is dissolved in 460 mL of water (18.01 g/mol). The temperature of the solution is 30°C. Assume the density of solution and water as 1.00 g/mL, the vapor pressure of pure water at 30°C 31.82 mm Hg.
Calculate the expected vapor pressure at 25 °C for a solution prepared by dissolving 235 g ethanol (M = 46 g/mol) in 500 mL of water. At 25 °C, the density of water is 0.9971 g/cm3 and the vapor pressure is 23.76 torr. 3.7 torr 20.06 torr 10.6 torr 12 torr
An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? A hypothetical solution forms between a solid and a liquid. The values of the thermodynamic quantities involved in the process are shown in the following table. Action Enthalpy separation of solute 11.5 kJ/mol separation of solvent 21.8 kJ/mol formation of solute-solvent interactions -86.7 kJ/mol solute...
Calculate the percent by mass of a solution made by dissolving 34.0g of NH3 in 2.00 x 10^3 mL of water. (molar mass NH3 = 17.04 g/mol, density of H20 = 1.00 g/mL).
20 Calculate the vapor pressure lowering of a solution prepared by dissolving 200g of sucrose in 200g of water at 80°C. The vapor pressure of pure water at 80°C is 292mmHg. 21 Circle the substance with the lowest freezing point (a) 0.5M sugar solution in water (b) pure water (c) 0.5M potassium sulfate in water (d) 0.5 ammonium phosphate in water €ТИ €Ни ) ИнЗ <ИЕЗ <ВСВ al9a > еНи > ети (8 tНИ си > 10а (
Two 1-L beakers, A and B, each containing a different aqueous solution of urea (a nonvolatile nonelectrolyte with MW = 60.06 g/mol) are placed together in a box, which is then sealed. The temperature remains constant at 20 °C. Initially, there is 270 mL of solution in A and 690 mL of solution in B. As the solutions stand in the sealed box, their volumes change slowly for a while. When they stop changing, beaker A contains 490 mL and...