At 55.0 ∘C, what is the vapor pressure of a solution prepared by dissolving 75.8 g of LiF in 247 g of water? The vapor pressure of water at 55.0 ∘C is 118 mmHg. Assume complete dissociation of the solute. Express your answer to three significant figures and include the appropriate units. b). The solvent for an organic reaction is prepared by mixing 70.0 mLmL of acetone (C3H6O) with 48.0 mL of ethyl acetate (C4H8O2). This mixture is stored at 25.0 ∘C. The vapor pressure and the densities for the two pure components at 25.0 ∘C are given in the following table. What is the vapor pressure of the stored mixture?
At 55.0 ∘C, what is the vapor pressure of a solution prepared by dissolving 75.8 g of LiF in 247 g of water? The vapor pressure of water at 55.0 ∘C is 118 mmHg. Assume complete dissociation of the solute. Express your answer to three significant figures and include the appropriate units. b). The solvent for an organic reaction is prepared by mixing 70.0 mLmL of acetone (C3H6O) with 48.0 mL of ethyl acetate (C4H8O2). This mixture is stored at 25.0 ∘C. The vapor pressure and the densities for the two pure components at 25.0 ∘C are given in the following table. What is the vapor pressure of the stored mixture?
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
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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a). At 55.0 ∘C, what is the vapor pressure of a solution prepared by dissolving 75.8 g of LiF in 247 g of water? The vapor pressure of water at 55.0 ∘C is 118 mmHg. Assume complete dissociation of the solute.
Express your answer to three significant figures and include the appropriate units.
b). The solvent for an organic reaction is prepared by mixing 70.0 mLmL of acetone (C3H6O) with 48.0 mL of ethyl acetate (C4H8O2). This mixture is stored at 25.0 ∘C. The vapor pressure and the densities for the two pure components at 25.0 ∘C are given in the following table. What is the vapor pressure of the stored mixture?
(view table)
Express your answer to three significant figures and include the appropriate units.
Transcribed Image Text:Vapor pressure Density
(mmHg)
Compound
(g/mL)
acetone
230.0
0.791
ethyl acetate
95.38
0.900
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