2. Calculate the normal freezing point of a 0.7439 mol aqueous solution of C12H22O11 that has a density of 1.35 g/ml. (C12H2½O11 is a non-volatile non-dissociating solute.) The molal freezing point depression constant of water is 1.86°C kg/mole. 3. When 0.279 g of a molecular compound, benzoic acid, was dissolved in 43.0 g of benzene, the freezing point of the solution was lowered to 5.15 °C. What is the molecular weight of the benzoic acid? (Note: Kf for benzene = 5.12°C/m; Freezing point of benzene= 5.5°C)

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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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Number 2 and 3 only.

TASK 1: SOLVE MY PROBLEMS!
Let us further deepen our understanding by solving the following problems:
1. Calculate the boiling point of a solution containing 12g glucose C,H12O6 dissolved in
200g of water H2O. (0.5120C – Kp of H2O)
2. Calculate the normal freezing point of a 0.7439 mol aqueous solution of C12H22O11 that
has a density of 1.35 g/ml. (C12H22O11 is a non-volatile non-dissociating solute.) The
molal freezing point depression constant of water is 1.86°C kg/mole.
3. When 0.279 g of a molecular compound, benzoic acid, was dissolved in 43.0 g of
benzene, the freezing point of the solution was lowered to 5.15 °C. What is the
molecular weight of the benzoic acid? (Note: K; for benzene = 5.12°C/m; Freezing point
of benzene= 5.5°C)
Transcribed Image Text:TASK 1: SOLVE MY PROBLEMS! Let us further deepen our understanding by solving the following problems: 1. Calculate the boiling point of a solution containing 12g glucose C,H12O6 dissolved in 200g of water H2O. (0.5120C – Kp of H2O) 2. Calculate the normal freezing point of a 0.7439 mol aqueous solution of C12H22O11 that has a density of 1.35 g/ml. (C12H22O11 is a non-volatile non-dissociating solute.) The molal freezing point depression constant of water is 1.86°C kg/mole. 3. When 0.279 g of a molecular compound, benzoic acid, was dissolved in 43.0 g of benzene, the freezing point of the solution was lowered to 5.15 °C. What is the molecular weight of the benzoic acid? (Note: K; for benzene = 5.12°C/m; Freezing point of benzene= 5.5°C)
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