A solution contains a mixture of pentane and hexane at room temperature.  The solution has a vapor pressure of 258 torr.  The vapor pressure of pure pentane is 425 torr and the vapor pressure of pure hexane is 151 torr at room temperature.  What is the mole fraction of EACH component in the mixture?

Q: How many grams of carbon tetrachloride, CCl4, must be mixed with 72.54 g of ethyl acetate,…

A: Given : Vapour pressure of pure CCl4 = 306.0 torr. And vapour pressure of pure CH3COOCH2CH3 = 280.0…

Q: An aqueous solution is 26.9 % lithium chloride, LiCl, by mass. The density of the solution is 1.127…

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Q: The normal boiling point of diethyl ether is 34.58C. A solution containing a nonvolatile solute…

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Q: The normal boiling point of Diethyl Ether is 35.4C. A solution of Diethyl Ether, which contains a…

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Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.265. What is the…

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Q: Hydrochloric acid is sold as a concentrated aqueous solution of HCl with a density of 1.18 g/mL. The…

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Q: A liquid-liquid solution is composed of 0.22 mole of pentane (C5H12) and 0.33 mole of hexane…

A: The total vapor pressure of the solution can be calculated by using the Raoult’s law. According to…

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.191. What is the…

A: Given data :  Mole fraction of solute = 0.191  P° of benzene = 26.5 torr  As the mole fraction of…

Q: The vapor above a mixture of pentane and hexane at room temperature contains 35.5% pentane by mass.…

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Q: A solution of sodium chloride in water has a vapor pressure of 19.6 torr at 25°C. What is the mole…

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Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.287. What is the…

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Q: At 80°C, the vapor pressures of pure liquid benzene and toluene are 745 Torr and 290 Torr,…

A: The mole fraction of toluene is calculated below.

Q: Pentane (C5H12)and hexane (C6H14) form an ideal solution. When 0.2759 g of this liquid is combusted…

A: An ideal solution is one that follows Raoult's law over a range of concentrations. A solution that…

Q: At 20 °C, the vapor pressure of benzene 1C6H62 is 75 torr, and that of toluene 1C7H82 is 22 torr.…

A: The composition of the mole fraction has to be calculated. Given: The vapor pressure of benzene…

Q: A solution contains of 50.0g (0.532 mol) of heptane, C7H14(l) and 50.0g (0.468 mol) of octane,…

A: Given: Mass of heptane = 50.0 g Moles of heptane = 0.532 mol Mass of Octane = 50.0 g Moles of Octane…

Q: A solution is made by mixing 56.7 g acetone and 56.7 g methanol . What is the vapor pressure of this…

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Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.245. What is the…

A: Given data, Mole fraction of solute = 0.245 Vapor pressure of pure benzene = 26.5torr

Q: At 20.0 °C, the vapor pressure of cyclohexane, a nonpolar hydrocarbon, is 66.9 torr and that of…

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Q: The vapor pressure of carbon tetrachloride, CCl4, is 0.354 atm, and the vapor pressure of…

A: Since, both carbon tetrachloride and chloroform have same mass then, Moles of carbon tetrachloride =…

Q: A solution is prepared by mixing 5.81 g acetone (C3H6O, molar mass 1 g/mol) and 11.9 g chloroform…

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Q: Pentane (C5 H12) and hexane (C6H14) form an ideal solution. At 25°C the vapor pressures of pentane…

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Q: What is the composition of a methanol (CH, OH) - propanol (CH, CH, CH, OH) solution that has a vapor…

A: Given : Vapor pressure of solution = 192 torr.

Q: At 25 °C, the vapor pressures of pure benzene (C6H6) and pure toluene (C7H8) are 95.1 and 28.4 mmHg,…

A:

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.199. What is the…

A: Given,  Mole fraction of nonvolatile solute = xB = 0.199  Vapor pressure of pure benzene = P° = 26.5…

Q: Heptane (C7H16) and Octane (C8H18) form an ideal solution. At 40C the vapor pressure of pure heptane…

A: The mole fractions of heptane and octane in liquid is calculated as,

Q: A solution of methanol and water has a mole fraction of water of 0.312 and a total vapor pressure of…

A: Given  Mole fraction of water = xw = 0.312  Mole fraction of methanol = xm = (1 - xw)  xm.  = 1 -…

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.141. What is the…

A: Given data, P° of benzene is 26.5 torr=0.03486 atm Mole fraction of benzene is 0.141

Q: What is the mole fraction of methanol in this solution?

A: The temperature point at which the vapor pressure of a solution becomes exactly equal to the…

Q: 4. Calculate the vapor pressure of a solution prepared by dissolving 70.0 g of naphthalene, C10H8 (a…

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Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.153. What is the…

A: Given : mole fraction of non-volatile solute = 0.153

Q: What is the composition of a methanol (CH, OH) - propanol (CH,CH,CH, OH) solution that has a vapor…

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Q: The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved…

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Q: 123.2 g of non-volatile ethylene glycol (62.07 g mol ) is added to 304 g of water at room…

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Q: Consider two solvents: Solvent X has a higher freezing point depression constant than Solvent Y. A…

A: We would use formula of freezing point depression to determine which solution would have lower…

Q: At a certain temperature, diethyl ether has a vapor pressure of 400.0 torr. When a sample of benzoic…

A: vapour pressure of diethyl ether = 400 torr = Posolvent vapour pressure of the solution = 342 torr =…

Q: A solution of sodium chloride in water has a vapor pressure of 19.6 torr. What is the mole fraction…

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Q: Benzene and toluene form an ideal solutions. At 900 C, the vapor pressure of pure benzene is 1.326…

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Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.113. What is the…

A: When a non-volatile solute is dissolved in a pure solvent then the vapour pressure of the solution…

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.147. What is the…

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Q: The vapor pressure of benzene (C6H6) and toluene (C7H8) at 25 degrees Celcius are 95.1 and 28.4 mm…

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Q: mole fraction

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A: Answer: This question is based on Raoult's law.

Q: A solution containing ethylene glycol and water has a vapor pressure of 7.88 torr at 10 °C. Pure…

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Q: Consider an aqueous solution containing sodium chloride that has a density of 1.01 g/mL. Assume that…

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Q: What is the composition of a methanol –propanol  solution that has a vapor pressure of 85.7 torr at…

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Q: Two volatile substances, A and B are dissolved in one another and the resulting solution has a vapor…

A: Solution

Q: At a certain temperature, diethyl ether has a vapor pressure of 550.0 torr. When a sample of benzoic…

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