What is the boiling point of a solution prepared by dissolving 37.5 g of glucose(C6H12O6, MW=180.16g/mol) in 750 g of ethanol (CH3CH2OH, MW=46.07g/mol)?Kb 1.22°C/m, boiling point of pure ethanol=78.24°C?ATb=ikbm78.56°C70.57°C77.91°C85.91°C

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Answered: What is the boiling point of a solution…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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The freezing point of water is 0.00 °C at 1 atmosphere. A student dissolves 11.60 grams of cobalt(II) sulfate CoSO4, (155.0 g/mol), in 279.3 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Kb(C/m) Kf(C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 The molality of the solution is m. The freezing point of the solution is °C.
The freezing point of water is 0.00 °C at 1 atmosphere. A student dissolves 11.60 grams of cobalt(II) sulfate CoSO4, (155.0 g/mol), in 279.3 grams of water. Use the table of boiling and freezing point constants to answer the questions below. Solvent Formula Kb(C/m) Kf(C/m) Water H2O 0.512 1.86 Ethanol CH3CH2OH 1.22 1.99 Chloroform CHCl3 3.67 Benzene C6H6 2.53 5.12 Diethyl ether CH3CH2OCH2CH3 2.02 The molality of the solution is m. The freezing point of the solution is °C.
A solution is made by dissolving 0.0303 kg of biphenyl (C₁₂H₁₀) in 350.0 mL of benzene (C₆H₆). - What intermolecular forces are shared between biphenyl and benzene? - If the boiling point of pure benzene is 80.1 °C, then what would be the boiling point of this solution in °C? (Kb for benzene is 2.53 °C/m and the density of benzene is 0.877 g/mL) - If the vapor pressure of pure benzene is 24.4 kPa at 40.0 °C, then what will the vapor pressure of the solution be in kPa? (Consider biphenyl to be nonvolatile and the density of benzene is 0.877 g/mL) - What would be the osmotic pressure (in atm) of this solution at 40.0 °C? (The density of benzene is 0.877 g/mL.)
3. CaCl2 (MW= 110.98 g mol-1) is often used to melt ice on sidewalks. The solubility of CaCl2 in water is 59.5 g/ 100 g of water. Assume the van't Hoff of CaCl2 is 2.4. What is freezing point of a saturated solution (59.5 g/ 100 g) of CaCl2? 4. The heat of fusion for water is 333.6 J/g. Consider 1.00 kg of ice cubes at 0.0°C melting in a beaker with water at 25.0°C. Calculate ASuniv for this process.
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0.0519 kg of biphenyl (C₁₂H₁₀) is dissolve in benzene (C₆H₆) to create a solution with a total volume of 350.0 mL. (Assume the change in volume is negligible) What intermolecular forces are shared between biphenyl and benzene? If the boiling point of pure benzene is 80.1 °C, then what would be the boiling point of this solution in °C? (Kb for benzene is 2.53 °C/m and the density of benzene is 0.877 g/mL) If the vapor pressure of pure benzene is 24.4 kPa at 40.0 °C, then what will the vapor pressure of the solution be in kPa? (Consider biphenyl to be nonvolatile and the density of benzene is 0.877 g/mL) What would be the osmotic pressure (in atm) of this solution at 40.0 °C? Assume the density of the solution is the same as benzene, 0.877 g/mL.
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0.0471 kg of biphenyl (C12H10) is dissolve in benzene (C&Hs) to create a solution with a total volume of 350.0 mL. (Assume the change in volume is negligible) If the boiling point of pure benzene is 80.1 °C, then what would be the boiling point of this solution in °C? (Kb for benzene is 2.53 °C/m and the density of benzene is 0.877 g/mL)
wOn Camp X Dashboard 9Microsoft PowerPoint - Chap X 101 Chem 1 G celsius to kelvin - Goog app.101edu.co Question 6 of 10 A 83.5 g sample of a nonelectrolyte is dissolved in 374.5 g of water. The solution is determined to have a boiling point of 102.3 °C. What is the molar mass of the compound? (Kb for water is 0.510 °C/m).

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What is the boiling point of a solution prepared by dissolving 37.5 g of glucose (C6H12O6, MW=180.16g/mol) in 750 g of ethanol (CH3CH2OH, MW=46.07g/mol)? Kb 1.22°C/m, boiling point of pure ethanol=78.24°C? ATb=ikbm 78.56°C 70.57°C 77.91°C 85.91°C