Science
ChemistryChemistry: An Atoms First ApproachPentane (C 5 H 12 ) and hexane (C 6 H 14 ) form an ideal solution. At 25°C the vapor pressures of pentane and hexane are 511 and 150. torr, respectively. A solution is prepared by mixing 25 mL pentane (density, 0.63 g/mL) with 45 mL hexane (density, 0.66 g/mL). a. What is the vapor pressure of the resulting solution? b. What is the composition by mole fraction of pentane in the vapor that is in equilibrium with this solution?

Pentane (C 5 H 12 ) and hexane (C 6 H 14 ) form an ideal solution. At 25°C the vapor pressures of pentane and hexane are 511 and 150. torr, respectively. A solution is prepared by mixing 25 mL pentane (density, 0.63 g/mL) with 45 mL hexane (density, 0.66 g/mL). a. What is the vapor pressure of the resulting solution? b. What is the composition by mole fraction of pentane in the vapor that is in equilibrium with this solution?

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Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243
BuyFind

Chemistry: An Atoms First Approach

2nd Edition
Steven S. Zumdahl + 1 other
Publisher: Cengage Learning
ISBN: 9781305079243

Solutions

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Chapter 10, Problem 57E
Textbook Problem

Pentane (C5H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane and hexane are 511 and 150. torr, respectively. A solution is prepared by mixing 25 mL pentane (density, 0.63 g/mL) with 45 mL hexane (density, 0.66 g/mL).

a. What is the vapor pressure of the resulting solution?

b. What is the composition by mole fraction of pentane in the vapor that is in equilibrium with this solution?

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Chapter 10,
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Chapter 10 Solutions

Chemistry: An Atoms First Approach
Ch. 10 - The four most common ways to describe solution...Ch. 10 - Using KF as an example, write equations that refer...Ch. 10 - What does the axiom like dissolves like mean?...Ch. 10 - Structure, pressure, and temperature all have an...Ch. 10 - Define the terms in Raoults law. Figure 10-9...Ch. 10 - In terms of Raoults law, distinguish between an...Ch. 10 - Vapor-pressure lowering is a colligative property,...Ch. 10 - What is osmotic pressure? How is osmotic pressure...Ch. 10 - Distinguish between a strong electrolyte, a weak...Ch. 10 - What is a colloidal dispersion? Give some examples...
Ch. 10 - Consider Fig. 10-9. According to the caption and...Ch. 10 - Once again, consider Fig. 10-9. Suppose instead of...Ch. 10 - Assume that you place a freshwater plant into a...Ch. 10 - How does Hsoln relate to deviations from Raoults...Ch. 10 - You have read that adding a solute to a solvent...Ch. 10 - You drop an ice cube (made from pure water) into a...Ch. 10 - Using the phase diagram for water and Raoults law,...Ch. 10 - You and your friend are each drinking cola from...Ch. 10 - Is molality or molarity dependent on temperature?...Ch. 10 - Consider a beaker of salt water sitting open in a...Ch. 10 - Rubbing alcohol contains 585 g isopropanol...Ch. 10 - What mass of sodium oxalate (Na2C2O4) is needed to...Ch. 10 - What volume of 0.25 M HCl solution must be diluted...Ch. 10 - What volume of a 0.580-M solution of CaCl2...Ch. 10 - Calculate the sodium ion concentration when 70.0...Ch. 10 - Write equations showing the ions present after the...Ch. 10 - Rationalize the temperature dependence of the...Ch. 10 - The weak electrolyte NH3(g) does not obey Henrys...Ch. 10 - The two beakers in the sealed container...Ch. 10 - The following plot shows the vapor pressure of...Ch. 10 - When pure methanol is mixed with water, the...Ch. 10 - Detergent molecules can stabilize the emulsion of...Ch. 10 - For an acid or a base, when is the normality of a...Ch. 10 - In order for sodium chloride to dissolve in water,...Ch. 10 - Which of the following statements is(are) true?...Ch. 10 - Is the following statement true or false? 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Use the following data to calculate the...Ch. 10 - Although Al(OH)3 is insoluble in water, NaOH is...Ch. 10 - The high melting points of ionic solids indicate...Ch. 10 - Which solvent, water or carbon tetrachloride,...Ch. 10 - Which solvent, water or hexane (C6H14), would you...Ch. 10 - For each of the following pairs, predict which...Ch. 10 - Which ion in each of the following pairs would you...Ch. 10 - Rationalize the trend in water solubility for the...Ch. 10 - In flushing and cleaning columns used in liquid...Ch. 10 - The solubility of nitrogen in water is 8.21 104...Ch. 10 - Calculate the solubility of O2 in water at a...Ch. 10 - Glycerin, C3H8O3, is a nonvolatile liquid. What is...Ch. 10 - The vapor pressure of a solution containing 53.6 g...Ch. 10 - The normal boiling point of diethyl ether is...Ch. 10 - At a certain temperature, the vapor pressure of...Ch. 10 - A solution is made by dissolving 25.8 g urea...Ch. 10 - A solution of sodium chloride in water has a vapor...Ch. 10 - Pentane (C5H12) and hexane (C6H14) form an ideal...Ch. 10 - A solution is prepared by mixing 0.0300 mole of...Ch. 10 - What is the composition of a methanol...Ch. 10 - Benzene and toluene form an ideal solution....Ch. 10 - Which of the following will have the lowest total...Ch. 10 - Which of the choices in Exercise 61 has the...Ch. 10 - Match the vapor pressure diagrams with the...Ch. 10 - The vapor pressures of several solutions of...Ch. 10 - A solution is prepared by dissolving 27.0 g urea,...Ch. 10 - A 2.00-g sample of a large biomolecule was...Ch. 10 - What mass of glycerin (C3H8O3), a nonelectrolyte,...Ch. 10 - The freezing point of 1-butanol is 25.50C and Kf...Ch. 10 - Calculate the freezing point and boiling point of...Ch. 10 - What volume of ethylene glycol (C2H6O2), a...Ch. 10 - Reserpine is a natural product isolated from the...Ch. 10 - A solution contains 3.75 g of a nonvolatile pure...Ch. 10 - a. Calculate the freezing-point depression and...Ch. 10 - Erythrocytes are red blood cells containing...Ch. 10 - An aqueous solution of 10.00 g of catalase, an...Ch. 10 - A 0.15-g sample of a purified protein is dissolved...Ch. 10 - How would you prepare 1.0 L of an aqueous solution...Ch. 10 - How would you prepare 1.0 L of an aqueous solution...Ch. 10 - Consider the following solutions: 0.010 m Na3PO4...Ch. 10 - From the following: pure water solution of...Ch. 10 - Calculate the freezing point and the boiling point...Ch. 10 - A water desalination plant is set up near a salt...Ch. 10 - Determine the vant Hoff factor for the following...Ch. 10 - Consider the following representations of an ionic...Ch. 10 - Calculate the freezing point and the boiling point...Ch. 10 - Calculate the freezing point and the boiling point...Ch. 10 - Use the following data for three aqueous solutions...Ch. 10 - The freezing-point depression of a 0.091-m...Ch. 10 - In the winter of 1994, record low temperatures...Ch. 10 - A 0.500-g sample of a compound is dissolved in...Ch. 10 - The solubility of benzoic acid (HC7H5O2), is 0.34...Ch. 10 - Given the following electrostatic potential...Ch. 10 - In Exercise 96 in Chapter 8, the pressure of CO2...Ch. 10 - Explain the following on the basis of the behavior...Ch. 10 - The term proof is defined as twice the percent by...Ch. 10 - At 25C, the vapor in equilibrium with a solution...Ch. 10 - For each of the following solute-solvent...Ch. 10 - A solution is made by mixing 50.0 g acetone...Ch. 10 - If the fluid inside a tree is about 0.1 M more...Ch. 10 - Thyroxine, an important hormone that controls the...Ch. 10 - If the human eye has an osmotic pressure of 8.00...Ch. 10 - An unknown compound contains only carbon,...Ch. 10 - Consider the following: What would happen to the...Ch. 10 - Consider an aqueous solution containing sodium...Ch. 10 - What stabilizes a colloidal suspension? Explain...Ch. 10 - The freezing point of an aqueous solution is ...Ch. 10 - Specifications for lactated Ringers solution,...Ch. 10 - Patients undergoing an upper gastrointestinal...Ch. 10 - A solution is prepared by dissolving 52.3 g cesium...Ch. 10 - The lattice energy of NaCl is 786 kJ/mol, and the...Ch. 10 - For each of the following pairs, predict which...Ch. 10 - The normal boiling point of methanol is 64.7C. A...Ch. 10 - A solution is prepared by mixing 1.000 mole of...Ch. 10 - The molar mass of a non electrolyte is 58.0 g/mol....Ch. 10 - A 4.7 102 mg sample of a protein is dissolved in...Ch. 10 - A solid consists of a mixture of NaNO3 and...Ch. 10 - The vapor pressure of pure benzene is 750.0 torr...Ch. 10 - Liquid A has vapor pressure x, and liquid B has...Ch. 10 - Plants that thrive in salt water must have...Ch. 10 - You make 20.0 g of a sucrose (C12H22O11) and NaCl...Ch. 10 - An aqueous solution is 1.00% NaCl by mass and has...Ch. 10 - The vapor in equilibrium with a pentane-hexane...Ch. 10 - A forensic chemist is given a white solid that is...Ch. 10 - A 1.60-g sample of a mixture of naphthalene...Ch. 10 - A solid mixture contains MgCl2 and NaCl. When...Ch. 10 - Formic acid (HCO2H) is a monoprotic acid that...Ch. 10 - You have a solution of two volatile liquids, A and...Ch. 10 - In some regions of the southwest United States,...Ch. 10 - Creatinine, C4H7N3O, is a by-product of muscle...Ch. 10 - An aqueous solution containing 0.250 mole of Q, a...Ch. 10 - Anthraquinone contains only carbon, hydrogen, and...

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