Two moles of sucrose are dissolved in 8 moles of water. Assume that the solution follows Raoult’s Law and that the vapor pressure of sucrose is negligible. The boiling point of water is 100°C. The distillation is carried out at 1 atm (760 mm Hg).a. Calculate the vapor pressure of the solution when the temperature reaches 100°C.b. What temperature would be observed during the entire distillation?c. What would be the composition of the distillate?d. If a thermometer were immersed below the surface of the liquid of the boiling flask, what temperature would be observed?
Two moles of sucrose are dissolved in 8 moles of water. Assume that the solution follows Raoult’s Law and that the vapor pressure of sucrose is negligible. The boiling point of water is 100°C. The distillation is carried out at 1 atm (760 mm Hg).a. Calculate the vapor pressure of the solution when the temperature reaches 100°C.b. What temperature would be observed during the entire distillation?c. What would be the composition of the distillate?d. If a thermometer were immersed below the surface of the liquid of the boiling flask, what temperature would be observed?
Chapter84: Fractional Distillation, Azeotropes
Section: Chapter Questions
Problem 3P
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Two moles of sucrose are dissolved in 8 moles of water. Assume that the solution follows Raoult’s Law and that the vapor pressure of sucrose is negligible. The boiling point of water is 100°C. The distillation is carried out at 1 atm (760 mm Hg).
a. Calculate the vapor pressure of the solution when the temperature reaches 100°C.
b. What temperature would be observed during the entire distillation?
c. What would be the composition of the distillate?
d. If a thermometer were immersed below the surface of the liquid of the boiling flask, what temperature would be observed?
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