Acetone and menthanol form ideal solution. At 25C the vapor pressure of pure acetone and pure menthol are 0.342 atm and 0.188 atm respectively. Calculate the mole fraction of menthanol in a solution that boils at 25C and 0.203 atm.

Q: At 90°C, the vapor pressure of toluene is 0.534 atm and thevapor pressure of benzene is 1.34 atm.…

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Q: Toluene and pyridine form ideal solutions. Consider a solution of toluene and pyridine prepared at…

A: Given,  At 25 °C,  the vapour pressure of toluene = 28 torr  And the vapour pressure of pyridine =…

Q: Some physical properties of solutions differ in important ways from those of the pure solvent. True…

A: The colligative properties like freezing point, boiling point differ in important ways from those of…

Q: Determine the molality of an aqueous solution prepared by dissolving 0.112 moles of LiCl in 13.7…

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Q: A solution of sucrose in water freezes at -0.200°C. Calculate the vapor pressure of this solution at…

A: The Freezing point of depression formula can be given as : ∆Tf=Kf×b×iHere∆Tf is freezing point…

Q: 2.A 28.0% (w/w) aqueous glucose solution at 20. °C Also, the equilibrium vapor pressure of pure…

A: (a) The given solution is 28.0% (w/w) of glucose which means 28.0 g of glucose is present in 100 g…

Q: For each case, compute the vapor pressure of the solution at 25 degrees Celcius. The vapor pressure…

A: According to Raoult's law, vapor pressure of a solution is directly proportional to the mole…

Q: A 1.6M NaOH basic solution has a density of 1.52g/mL. Calculate the mole fraction of the solvent.

A: Given data, Molarity of NaOH = 1.6M Density of Solution = 1.52g/mL The molar mass of NaOH = 40g/mol

Q: A solution contains a mixture of pentane and hexane at room temperature.  The solution has a vapor…

A: Given data, Vapor pressure of pure hexane = 151 torr Vapor pressure of pure pentane = 425 torr Total…

Q: The vapor pressure of pure benzene at 25 °C is 0.1252 atm. When 10 g of an unknown non-volatile…

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Q: fractional distillation

A: Fractional distillation is the separation of a mixture into its component parts, or fractions.…

Q: Calculate the mole fraction of solute and solvent in a 3.0 m solution of sodium chloride.

A: What is the mole fraction of solute and solvent in 3 molal solution of sodium chloride.

Q: At 40°C, the vapor pressure of pure carbon tetrachloride(CCl4) is 0.293 atm and the vapor pressure…

A: nCCl4 = 30.0 g ×1 mol153.8g           =0.195 mol

Q: Suppose you have a solution containing liquids A and B where the mole fraction of A is 0.40.…

A: We will calculate first Ptotal and them use formula for mole fraction in vapour phase.

Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of zinc acetate (183.5…

A: Given: Elevation in boiling point = 0.450°C Mass of water = 212.0 g Molar mass of zinc acetate =…

Q: A solution is prepared by mixing 1.00 g ethanol (C2H5OH) with 100.0 g water to give a final volume…

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Q: A saturated solution forms when 0.0537 L of argon, at a pressure of 1.0 atm and temperature of 25…

A: Henry's law states that the concentration of the dissolved gas is directly proportional to the…

Q: Calculate the vapor pressure of water above this solution at 338 K. The vapor pressure of pure water…

A: The elevation in boiling point of the solution is directly proportional to the molality of the…

Q: When 2.04 g of a substance was dissolved in 7.84 g of solvent, the solution froze at 10.8°C. The…

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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,…

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Q: At 300 K, the vapor pressure of pure benzene (C6H6) is0.1355 atm and the vapor pressure of pure…

A: a) Mass of benzene is given as 50 g and mass of n-hexane is given as 50 g. Molar mass of benzene is…

Q: The vapor in equilibrium above a hexane-pentane solution at 25.0°C has a mole fraction of hexane…

A: Components of solution : hexane and pentane. Mole fraction of hexane in vapor phase (y1) = 0.70…

Q: At 300°K, the vapor pressure of pure benzene (C6H6) is 0.1355 atm and the vapor pressure of pure…

A: The solution is given in below image:

Q: The vapor in equilibrium above a hexane-pentane solution at 25°C has a mole fraction of hexane equal…

A: As per Dalton's law, the mole fraction of the component in the vapor phase is given by the…

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 is made by mixing 48.5 g acetone (CH,COCH,) and 48.5 g methanol (CH,OH). What is the…

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Q: At a given temperature, you have a mixture of ethanol and acetone at 19.5 °C. The vapor pressure of…

A: Given:  Vapour pressure of pure ethanol(P°A) = 42.28 mm Hg  Vapour pressure of pure acetone(P°B) =…

Q: What mass of ethylene glycol, when mixed with 225 g H2O, will reduce the equilibrium vapor pressure…

A: Given mass of solvent, water = 225 g  Gram molar mass of water = 18.02 g/mol  So,  Number of moles…

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

A: From the given data we have Mass of napthalene=70.0g Mass of benzene=220.0g Vapour pressure of pure…

Q: A solution of a nonvolatile solute in water has a boiling point of 375.3 K. Calculate the vapor…

A: The elevation in boiling point of the solution is directly proportional to the molality of the…

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

A: Let mole fraction of methanol in liquid phase = Xm  By Raoult's law :  P = Pm° Xm + Pp° ( 1-Xm)…

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: The vapor pressure of pure water at 110C is 1070 torr. A solution of ethylene glycol and water has…

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

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Q: A dilute solution of bromine in carbon tetrachloride behaves as an ideal-dilute solution. At 298 K,…

A: Given, Vapor pressure of pure CCl4 = 143 Torr Vapor pressure of pure bromine = 228 Torr Henry’s law…

Q: The density of a 0.438 M solution of potassium chromate (K2CrO4) at 298 K is 1.063 g/mL. Calculate…

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Q: Which statement properly describe Roult's Law? Raoult's law states that the vapor pressure of a…

A: Roult's law says that the vapour pressure of the pure solvent decreases when some amount of…

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

A: Given: The vapor pressure of the solution (P) is 85.7 torr The vapor pressure of pure methanol (PA)…

Q: Calculate the freezing point of this solution Calculate the partial pressure of chloroform in this…

A: Given, Mass of chloroform = 20.0 g Mass of benzene = 60 g Total pressure of the solution = 87.6 torr…

Q: Calculate the freezing point in degree celcius of a solution containing 54.1g of CCl4 (molar mass =…

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Q: At 300°K, the vapor pressure of pure benzene (C6H6) is 0.1355 atm and the vapor pressure of pure…

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Q: The boiling point of water is 100.0°C at 1 atmosphere. How many grams of cobalt(II) chloride (129.8…

A: GivenBoiling point of water = 100°CMoalr mass of CoCl2 = 129.8 g/molemass of water = 250 grams =…

Q: The molality of a potassium fluoride solution is 3.75. Calculate the mole fraction of potassium…

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Q: The vapor pressure of pure water at 110 degrees celsius is 1070 torr. A solution of ethylene glycol…

A: P(soln)=X(H20)*P(H20)760=X(H20)*1070X(H20)=(760)/(1070)= 0.710X(EtGly)=1 - X(H20)=1 - 0.710=…

Q: At 45°C, the vapor in equilibrium with a solution of ethanol (eth) and chloroform (chl) has a…

A: We have find out the partial pressures in the vapor phase. b. Calculate pure chloroform's vapor…

Q: At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr)…

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