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1. See the data table below for two volatile substances. Fo 750.0 mL of ethanol and 250,0 mL of toluene, calculate a. the moles of ethanol b. the moles of toluene c. the mole fraction of ethanol d. the mole fraction of toluene e. the vapor pressure of the solution at 25.0 °C Molar Mass Density (g/mole) (g/mL) 46.07 0.789 92.14 0.867 Item ethanol toluene 2. See the data table below for two volatile substances. For vapor pressure of 20.38 kPa, calculate: a. the mole fraction of toluene b. the moles of toluene the moles of benzene benzene toluene C. Item Formula C₂H5OH C6H5CH3 Formula С.Н. C.HSCH, Molar Mass (g/mole) 78.11 92.14 Den 0.87 0.86

1. See the data table below for two volatile substances. Fo 750.0 mL of ethanol and 250,0 mL of toluene, calculate a. the moles of ethanol b. the moles of toluene c. the mole fraction of ethanol d. the mole fraction of toluene e. the vapor pressure of the solution at 25.0 °C Molar Mass Density (g/mole) (g/mL) 46.07 0.789 92.14 0.867 Item ethanol toluene 2. See the data table below for two volatile substances. For vapor pressure of 20.38 kPa, calculate: a. the mole fraction of toluene b. the moles of toluene the moles of benzene benzene toluene C. Item Formula C₂H5OH C6H5CH3 Formula С.Н. C.HSCH, Molar Mass (g/mole) 78.11 92.14 Den 0.87 0.86

Chemistry
Chemistry
10th Edition
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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Can u please help me with the following 2 questions, I am struggling.

1. See the data table below for two volatile substances. For an ideal solution containing 750.0 mL of ethanol and 250.0 mL of toluene, calculate the following: the moles of ethanol b. the moles of toluene c. the mole fraction of ethanol d. the mole fraction of toluene e. the vapor pressure of the solution at 25.0°C Molar Mass (g/mole) 46.07 92.14 a. Item ethanol toluene benzene toluene Item Formula C₂H5OH C6H5CH3 2. See the data table below for two volatile substances. For an ideal solution with a solution vapor pressure of 20.38 kPa, calculate: a. the mole fraction of toluene b. the moles of toluene c. the moles of benzene Formula C. Ho CoHsCH, Density (g/mL) 0.789 0.867 Molar Mass (g/mole) 78.11 92.14 Vapor Pressure @ 25.0 °C (kPa) 7.869 3.749 Density (g/mL) 0.876 0.867 Vapor Pressure @ 22.5°C (mmHg) 84.608 25.066
Transcribed Image Text:1. See the data table below for two volatile substances. For an ideal solution containing 750.0 mL of ethanol and 250.0 mL of toluene, calculate the following: the moles of ethanol b. the moles of toluene c. the mole fraction of ethanol d. the mole fraction of toluene e. the vapor pressure of the solution at 25.0°C Molar Mass (g/mole) 46.07 92.14 a. Item ethanol toluene benzene toluene Item Formula C₂H5OH C6H5CH3 2. See the data table below for two volatile substances. For an ideal solution with a solution vapor pressure of 20.38 kPa, calculate: a. the mole fraction of toluene b. the moles of toluene c. the moles of benzene Formula C. Ho CoHsCH, Density (g/mL) 0.789 0.867 Molar Mass (g/mole) 78.11 92.14 Vapor Pressure @ 25.0 °C (kPa) 7.869 3.749 Density (g/mL) 0.876 0.867 Vapor Pressure @ 22.5°C (mmHg) 84.608 25.066
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