The normal boiling point of methanol is 64.7°C. A solution containing a nonvolatile solute dissolved in methanol has a vapor pressure of 715.0 torr at 64.7°C. What is the mole fraction of methanol in this solution? Mole fraction of methanol =

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

A: Assuming we have 100 g of solution Since % by mass is defined as  % by mass = mass of solute X 100 /…

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

A: The normal boiling point of diethyl ether is 34.58 °C. A solution containing a non-volatile solute…

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

A: Mole fraction of solvent (water) at 25oC can be determined by Raoult’s law as follows, Determine…

Q: What is the boiling point of a solution of 1.0 g of glycerin, C3H5(OH)3, in 47.8 g of water? Assume…

A: Given: Mass of glycerin= 1.0 g  Mass of water= 47.8 g The constants are: To find: The boiling point…

Q: The vapor pressure of a pure water at 26.0°C is 25.21 torr. The vapor pressure of a solution which…

A: According to the Raoult's law for dilute solutions the relative lowering of vapor pressure is equal…

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

A: Interpretation- To determine the mole fraction of the methanol when the normal boiling point of…

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

A:

Q: Assuming ideal behavior, find the freezing point of a solution made by dissolving 13.2 g of ammonium…

A: The given data contains, mass of ammonium phosphate = 13.2 g. mass of water = 45 g.

Q: An aqueous solution contains 5% NACl by mass. Calculate the molality and mole fraction.

A: Interpretation -  To determine the molality and mole fraction of an aqueous solution contains 5%…

Q: Consider a sealed solution of dichloromethane (vapor pressure = 353 mmHg at 20 °C) and chloroform…

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Q: What is the boiling point of an aqueous solution that has a vapor pressure of 20.5 torr at 25 °C?…

A: According to Raoult’s law, the vapor pressure of the solution is lower than the vapor pressure of…

Q: Find the boiling point of a solution of 92.1 g of iodine, I2I2, in 800.0 g of chloroform,…

A: There are some properties which depend only on the amount of solute but not on their natures. Such…

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

A: a) According to the Raoult's Law, the vapour pressure of a non volatile solute solution is given by…

Q: Calculate the vapor pressure of a solution prepared by dissolving 90.0 g of naphthalene, C10H8 (a…

A: According to Raoult's law: "The vapor pressure of a solution containing non-volatile solute is equal…

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: 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: Pentane ( CsH12) and hexane ( CH4) form an ideal solution. At 25°C the vapor pressures of pentane…

A: Mass of pentane in the solution = Volume × density  =25.0 mL× (0.63 g/mL) = 15.75 gmolar mass of…

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: Calculate the vapor pressure of a solution prepared by dissolving 25.5 g of naphthalene (C10H8),…

A: Raoult's law: According to Raoult's law, if a non volatile solute is added to a solvent, the vapor…

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

A: When two or more than two liquid components or solid in liquid, are mixed, it results in the…

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

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Q: The normal boiling point of methanol is 64.78C. A solution containing a nonvolatile solute dissolved…

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

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: The vapor pressure of ethanol, C2H5OH is 100.0 torr at 35 °C. Calculate the vapor pressure of the…

A: The number of moles of ethanol and alpha naphthol in the given solution is calculated using equation…

Q: Calculate the vapor pressure of a solution made by dissolving 50.0 g CaCl2, in 500 g of water. The…

A: The given weight of CaCl2 is 50.0 g.The molar mass of CaCl2 is 110.98 g/mol. The formula to…

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

A:

Q: 3. To determine the molar mass of a certain protein, 1.00 x 10-3 g of it was dissolved in enough…

A: Given information: Mass of protein = 1.00×10-3 g Volume of solution = 1.00 mL Pressure = 1.12 torr…

Q: Calculate the following concentrations for a solution of 0.800 g of calcium chloride, Cacl2, in…

A: Weight of CaCl2 = 0.800g Weight of water = 100g Density of solution = 1 g/ml So,  Molarity = n/V(l)…

Q: The vapor pressure of an aqueous solution is found to be 24.9 mm Hg at 30°C. What is the mole…

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Q: 4. An aqueous solution contains 5.0% NaCl by mass. Calculate the molality and mole fraction of the…

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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: (c) Pentane, C,H12, and hexane, C,H14, combine to form an ideal solution. At 25°C the vapor…

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

A:

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

A:

Q: Calculate the freezing point of an aqueous solution prepared from a non-volatile solute that has a…

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Q: Pentane (C5H12) and hexane (C6H14) combine to form an ideal solution. At 25°C the vapor pressures of…

A: Introduction to Raoult's law Raoult's law is a physical chemistry relationship that has…

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…

A: Given data, The vapor pressure of pure water = 23.8 torr. The vapor pressure of solution = 19.6…

Q: A 16.00% aqueous solution of glycerol, HOCH2CH(OH)CH2OH, by mass, has a density of 1.037 g/mL. What…

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Q: A solution is made by dissolving 29.7 g urea (CH4N2O), a nonelectrolyte, in 275 g water. Calculate…

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Q: Calculate the molality

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

A: According to the Raoult’s Law: where P˚solvent = partial pressure of the solvent, Psolution is the…

Q: A solution contains napthalene (C10H8) dissolved in hexane (C6H14) at a concentration of 10.85%…

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Q: What is the mole fraction of ethanol of an aqueous solution that is 20% ethanol?

A: Given : Ethanol = 20%

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

A: Given: The vapor pressure of diethyl ether = 550.5 torr. The vapor pressure of the solution (when…