Pls answer number 2 thank you 1.A solution contains 10.0 g pentane, C5H12, 10.0 g hexane, C,H14 and 10.0 g benzene,C6H6. What is the mole fraction of hexane?2.What is the mole fraction of ethanol, CH;CH20H, in an aqueous solution that is 20.0%ethanol by mass?3.Sucrose is a nonvolatile, nonionizing solute in water. Determine the vapor pressurelowering, at 27°C, of a solution of 75.0 grams of sucrose, C12H2011, dissolved in 180.g of water. The vapor pressure of pure water at 27°C is 26.7 torr. Assume thesolution is ideal.What is the vapor pressure of a aqueous solution containing 10% (by weight)ethylene glycol (62 g/mol) at 25ºC. PH20 = 24.3 torr at 25°C.4.If 4.27 grams of sucrose, C12H22011, are dissolved in 15.2 grams of water, what willbe the boiling point of the resulting solution? Ko for water = 0.512ºC/m.5.6.The freezing point of a solution of 1.048 g of an unknown nonelectrolyte dissolvedin 36.21 g of benzene is 1.39°C. Pure benzene freezes at 5.48°C and its K; value is5.12°C/m. What is the molecular weight of the compound?A 1.0 g sample of a molecular compound having a molecular weight of 100,000g/mol is dissolved in 100. g of water. Calculate the osmotic pressure of the solutionin torr at a temperature of 27°C. (Assume the volume of the solution is 100. mL.)7.

Requested question number 2. The concentration of aqueous solution ethanol (CH3CH2OH) = 20% ethanol…

Answered: What is the mole fraction of ethanol,…

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Chemistry

What is the mole fraction of ethanol, CH;CH20H, in an aqueous solution that is 20.0% ethanol by mass?

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

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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