9. A solution is prepared by dissolving 248 g of sucrose (C12H2½O11; MM = 342.0 g/mol) in 155 g water (MM = 18.0). What the vapor pressure of this solution at 55°C? The vapor pressure of water at 55°C is 118.1 torr. %3D
9. A solution is prepared by dissolving 248 g of sucrose (C12H2½O11; MM = 342.0 g/mol) in 155 g water (MM = 18.0). What the vapor pressure of this solution at 55°C? The vapor pressure of water at 55°C is 118.1 torr. %3D
Chemistry
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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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Transcribed Image Text:A solution is prepared by dissolving 248 g of sucrose (C12H2O11; MM = 342.0 g/mol) in 155 g water (MM = 18.0). What i
the vapor pressure of this solution at 55°C? The vapor pressure of water at 55°C is 118.1 torr.
9.
mosphere is
D) 0.10 m C&H6
E) They all have the same boiling point.
e the phase diagram shown at right to answer questions 12-14.
What is the melting point of the substance if the pressure is
1200-
Expert Solution
Step 1
Moles of sucrose are,
Moles = mass ÷ molar mass
Moles = 248 g ÷ 342.0 g/mol
Moles = 0.73 mol
Moles of water are,
Moles = mass ÷ molar mass
Moles = 155 g ÷ 18 g/mol
Moles = 8.61 mol
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