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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Similar questions

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?
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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.
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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 acetic acid (CH₂COOH) and water is boiling at 103.1 °C. A sample of the vapor above the solution is cooled until it condenses. This condensed sample is analyzed, and turns out to be 50.% acetic acid by mass. Calculate the percent by mass of acetic acid in the boiling solution. Here's some data you may need: acetic acid water [% normal boiling point 118. °C 100. °C density 1.1 g mL 1.00- mL vapor pressure at 103.1 °C X 568. torr Be sure your answer has the correct number of significant digits. Note for advanced students: you may assume the solution and vapor above it are ideal. 846. torr 5 ? 區 olo Ar
A solution of carbon tetrachloride and acetic acid CH3COOH that is 90.% carbon tetrachloride by mass is boiling at 81.8°C. The vapor is collected and cooled until it condenses to form a new solution Calculate the percent by mass of carbon tetrachloride in the new solution. Here's some data you may need: normal boiling point density vapor pressure at 81.8°C carbon tetrachloride 77.°C 1.6gmL 873.torr acetic acid 118.°C 1.1gmL 362.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 acetic acid CH3COOH and water is boiling at 100.4°C . A sample of the vapor above the solution is cooled until it condenses. This condensed sample is analyzed, and turns out to be 10.% acetic acid by mass. Calculate the percent by mass of acetic acid in the boiling solution. Here's some data you may need: normal boiling point density vapor pressure at 100.4°C acetic acid 118.°C 1.1gmL 538.torr water 100.°C 1.00gmL 771.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 pentane and ethanol (CH3CH2OH) that is 50.% pentane by mass is boiling at 57.2°C. The vapor is collected and cooled until it condenses to form a new solution. Calculate the percent by mass of pentane in the new solution. Here's some data you may need: normal boiling point density vapor pressure at 57.2°C pentane 36.°C 0.63gmL 1439.torr ethanol 78.°C 0.79gmL 326.torr Be sure your answer has 2 significant digits. dont round during math only for answer! Note for advanced students: you may assume the solution and vapor above it are ideal.

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