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At 37 °C, a solution of 47.2 g of a non-volatile solute dissolved in 109 mL of ethanol (C2H5OH, molar mass 46.07 g/mol) has a vapour pressure of 95.0 mmHg. Pure ethanol has a vâpour pressure of 115 mmHg and a density of 0.775 g/mL at this temperature. Determine the molar mass of the non-volatile solute.

At 37 °C, a solution of 47.2 g of a non-volatile solute dissolved in 109 mL of ethanol (C2H5OH, molar mass 46.07 g/mol) has a vapour pressure of 95.0 mmHg. Pure ethanol has a vâpour pressure of 115 mmHg and a density of 0.775 g/mL at this temperature. Determine the molar mass of the non-volatile solute.

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.94QE
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At 37 °C, a solution of 47.2 g of a non-volatile solute dissolved in 109 mL of ethanol (C2H5OH, molar mass 46.07 g/mol) has a vapour pressure of 95.0 mmHg. Pure ethanol has a vapour pressure of 115 mmHg and a density of 0.775 g/mL at this temperature. Determine the molar mass of the non-volatile solute. O 94.7 g/mol 122 g/mol O 144 g/mol O 73.3 g/mol O 31.2 g/mol
Transcribed Image Text:At 37 °C, a solution of 47.2 g of a non-volatile solute dissolved in 109 mL of ethanol (C2H5OH, molar mass 46.07 g/mol) has a vapour pressure of 95.0 mmHg. Pure ethanol has a vapour pressure of 115 mmHg and a density of 0.775 g/mL at this temperature. Determine the molar mass of the non-volatile solute. O 94.7 g/mol 122 g/mol O 144 g/mol O 73.3 g/mol O 31.2 g/mol
7:01 At 37 °C, a solution of 47.2 g of a non-volatile solute dissolved in 109 mL of ethanol (C2H5OH, molar mass 46.07 g/mol) has a vapour pressure of 95.0 mmHg. Pure ethanol has a vapour pressure of 115 mmHg and a density of 0.775 g/mL at this temperature. Determine the molar mass of the non-volatile solute. O 94.7 g/mol O 122 g/mol O 144 g/mol O 73.3 g/mol O 31.2 g/mol
Transcribed Image Text:7:01 At 37 °C, a solution of 47.2 g of a non-volatile solute dissolved in 109 mL of ethanol (C2H5OH, molar mass 46.07 g/mol) has a vapour pressure of 95.0 mmHg. Pure ethanol has a vapour pressure of 115 mmHg and a density of 0.775 g/mL at this temperature. Determine the molar mass of the non-volatile solute. O 94.7 g/mol O 122 g/mol O 144 g/mol O 73.3 g/mol O 31.2 g/mol
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