Please correct answer and don't used hand raiting A solution of ethanol (CH3CH2OH) and water is boiling at 98.2 °C. A sample of the vapor above the solution is cooled until it condenses. This condensedsample is analyzed, and turns out to be 25.% ethanol by mass.Calculate the percent by mass of ethanol in the boiling solution. Here's some data you may need:normalboiling pointvapor pressuredensityat 98.2 °Cethanol78. °C0.79gmL1538. torrgwater100. °C1.00713. torrmLBe sure your answer has 2 significant digits.Note for advanced students: you may assume the solution and vapor above it are ideal.0%

We'll use Raoult's law to solve this problem. It states that the partial pressure of a component in…

Answered: A solution of ethanol (CH3CH2OH) and…

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter10: Solutions

Section: Chapter Questions

Problem 67QAP

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Define critical temperature and critical pressure. In terms of the kinetic molecular theory, why is it impossible for a substance to exist as a liquid above its critical temperature?
Define the normal boiling point of water. Why does a sample of boiling water remain at the same temperature until all the water has been boiled? Define the normal freezing point of water. Sketch a representation of a heating/cooling curve for water, marking clearly the normal freezing and boiling points.
What mass (g) of ethanol, CH3CH2OH(), can be vaporized at its boiling point of 78.4 C by transfer of 500. kJ to the liquid? The vapH of ethanol is 38.6 kJ/mol at this temperature.
A mixture of toluene (bp110.8C) and water is steam distilled. Visual inspection of the distillate reveals that there is a greater volume of toluene than water present, yet water (bp100C) has the higher vapor pressure. Explain this observation.
In the northern United States, summer cottages are usually closed up for the winter. When doing so, the owners winterize the plumbing by putting antifreeze in the toilet tanks, for example. Will adding 525 g of HOCH2CH2OH to 3.00 kg of water ensure that the water will not freeze at 25 C?
The molecular mass of butanol, C4H9OH, is 74.14; that of ethylene glycol, CH2(OH)CH2OH, is 62.08, yet their boiling points are 117.2 C and 174 C, respectively. Explain the reason for the difference.
Examine the nanoscale diagrams and the phase diagram for Question 112. Match each particulate diagram (1 through 7) to its corresponding point (A through H) on the phase diagram.
The solubility of lead nitrate at 100C is 140.0 g/100 g water. A solution at 100C consists of 57.0 g of lead nitrate in 64.0 g of water. When the solution is cooled 10C to 25.0 g of lead nitrate crystallize out. What is the solubility of lead nitrate in g/100 g water at 10C?
A solution of methylene chloride (CH2Cl2) and ethanol (CH3CH2OH) that is 10.% methylene chloride by mass is boiling at 75°C. The vapor is collected and cooled until it condenses to form a new solution. Calculate the percent by mass of methylene chloride in the new solution. Here's some data you may need: normal boiling point density vapor pressure at 75°C methylene chloride 40.°C 1.3g/mL 2263.torr ethanol 78.°C 0.79g/mL 669.torr Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal.
A solution of methyl acetate (C3H60₂) and water is boiling at 79.8 °C. A sample of the vapor above the solution is cooled until it condenses. This condensed sample is analyzed, and turns out to be 90.% methyl acetate by mass. Calculate the percent by mass of methyl acetate in the boiling solution. Here's some data you may need: methyl acetate water []% normal boiling point 57. °C 100. °C density 0.93 1.00 g mL X g mL vapor pressure at 79.8 °C Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal. S 1551. torr 359. torr
A solution of methylene chloride (CH2Cl2) and ethanol (CH3CH2OH) that is 25.% methylene chloride by mass is boiling at 69.7°C. The vapor is collected and cooled until it condenses to form a new solution. only round for final anwer not during math please! Calculate the percent by mass of methylene chloride in the new solution. Here's some data you may need: normal boiling point density vapor pressure at 69.7°C methylene chloride 40.°C 1.3gmL 1949.torr ethanol 78.°C 0.79gmL 545.torr Be sure your answer has 2 significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal.
Digital Resources for Smartwork Direct Smartwork5 * Favorites < Module 4a: IMFS an... 画 03/14/21 ocramer5852@mail.kvcc.edu SCORE out of 15 Physical properties such as melting point, boiling point, and solubility are all dependent on the type of interparticle forces a substance experiences. Identify the type of interparticle force that has the greatest influence on the physical properties for each substance. Items (6 items) (Drag and drop into the appropriate area below) KI NH2OH CaCl2 PCI3 CH4 Cl2 Categories Dipole-dipole Forces Hydrogen Bonding lonic Bonding Dispersion Forces Drag and drop here Drag and drop here Drag and drop here Drag and drop here A SUBMIT ANSWER « 03/20

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