A solution is prepared by adding 101 g of lactose (milk sugar) to 102 g of water at 55 °C. The partial pressure of water above the solution is __________ torr. The vapor pressure of pure water at 55 °C is 118 torr.  The MW of lactose is 342.3 g/mol.

Q: A 45 g sample of urea (MW = 56.7 g mol-1) (non-dissociating, non-volatile solute) is dissolved into…

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

A: Solution -

Q: Consider

A: According to the Raoult law, when non-volatile Compound mixed mith volatile solvent then vapour…

Q: A solution is made using 182.1 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

A: Molar mass means the number of grams in a mole of any given substance. These substances can be an…

Q: solution is prepared by adding 40.00 g of lactose (milk sugar) to 110.0 g of water at 55degree…

A: According to the Raoult's law, the vapour pressure of solution is given by  Vapour pressure of…

Q: Consider two solutions, one formed by adding 10g of glucose (C6H12O6) to 1 L of water and the other…

A: For the first solution, to calculate the vapor pressure, we need to calculate the mole fraction of…

Q: - Solution (1): 0.0300 mol A (s) and 18.02 g H,0 (e) - Solution (2) : 0.0100 mol B (s) and 36.04 g…

A: By finding molality of each solution we can compare properties like freezing point and vapour…

Q: At 25°C, the vapor pressure of pure benzene is  P1== 0.1252 atm. Suppose 6.40 g of naphthalene,…

A: The Raoult's for non volatile solute can be expressed as,…

Q: A solution was prepared by dissolving solute T in 115 g benzene. The freezing point of this solution…

A: Depression in freezing point is given by the expression:ΔT = Kf x m…

Q: Which solution has lower vapor pressure? A.) a 0.2M KNO3 Solution B.) all four solutions given have…

A: Colligative properties : Those physical properties of a solution which depend upon the number of…

Q: Determine the vapor pressure of a solution at 25°C that contains 210.3 g of glucose (C6H1206, molar…

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Q: A solution is made using 162.7 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

A: Mole fraction is defined as the number of molecules of a constituent divided by the total number of…

Q: (Q65) Calculate the vapor pressure (in torr) at 30°C of a solution containing 120.4 grams of the…

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Q: A solution contains 180.3g BaBr2(297.1 gmol) dissolved in 1066 g of water. What is the vapor…

A: There are various colligative properties which depends on the amount of the solute particles-  1-…

Q: Predict the vapor pressure of a solution prepared by mixing 35.0 g solid Na3PO4 (molar mass = 163.9…

A: Given: Mass of Na3PO4 =35.0 g The molar mass of Na3PO4 =163.9 g/mol Mass of water =155 g The molar…

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: A non volatile, non electrolyte that dissolves in the organic solvent toluene, C7H8, is prednisone.…

A: Given  The vapor pressure of  toluene = 82.75mm Hg  mass of prednisone = 8.29 g  molar mass of…

Q: The solubility of a salt at 50•c is 64g salt per 100 of water. Which solution below would be…

A: Given the solubility of the salt at 50 oC = 64 g salt / 100 g water A solution is saturated when the…

Q: 95.1

A: Dear student I have given answer to your question in the image format.

Q: Calculate the vapor pressure of water above a solution prepared by dissolving 29.5 g of glycerin…

A: The mole fraction of water in the solution, xw, is calculated as,

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: Glycerin (C3H8O3) density is 1.260 g/mL at 25.00 oC.  Calculate the vapor pressure at 25.00 oC of a…

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Q: Which colligative property of solutions listed below is correctly stated? 1. The freezing point of a…

A: we need to identify the true statements based on colligative properties of solutions

Q: At a certain temperature the vapor pressure of pure acetyl bromide (CH,COB1) is measured to be 363.…

A: we need to calculate partial pressure of acetyl bromide

Q: Which of the following would exhibit the HIGHEST vapor pressure at 25oC? a. pure water b. a 5%…

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Q: 5.0 m aqueous solution containing which solute will have the lowest freezing point? A. CaCl2 B.…

A: Freezing point of solvent is greater than freezing point of solutions

Q: A solution is made using 111.5 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

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Q: An aqueous solution contains 60 µM salicylaldehyde (C,H6O2) and 330 ppm dichloroacetic acid…

A: From the given concentration of components and total volume of solution we can determine the mass of…

Q: A solution is prepared by adding 30g of lactose (milk sugar, molar mass 342.3 g/mol) to 110g of…

A: Given information: Mass and molar mass of lactose = 30 g and 342.3 g/mol Mass of water = 110 g…

Q: What is the vapor pressure of an aqueous ethylene glycol (C2H6O2)solution that is 14.8% C2H6O2 by…

A: Given: % mass of C2H6O2=14.8% Vapor pressure of pure water=23.8 torr (at 25°C)

Q: A solution contains 16.81 grams of NaCl in 0.580 kg water at 25 °C. What is the vapor pressure of…

A: A nonvolatile salt will decrease the vapor pressure of the solvent. Since NaCl is a nonvolatile…

Q: 8. The vapor pressure of pure water at 20.00°C is 17.50 torr Calculate the vapor pressure of the…

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Q: 1. . NaCl is dissolved in water. Which of the following statements is incorrect? (a) Boiling point…

A: 1. (d) The solution will boil at 100 °C as NaOH is a volatile solute. 2. b) 1M 3. a) Osmosis.

Q: A solution is made using 137.9 g of dimethyl ether (MM = 46.07 g/mol) and 90.0 g of methanol (MM =…

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Q: Calculate the vapor pressure of a solution made by dissolving 109 grams of glucose (molar mass =…

A: The Raoult's for non volatile solute can be expressed as,                               Where, P0…

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

A:

Q: If 4.50 moles of n-hexane (C6H14) are dissolved in 5.50 moles of n-pentane (C5H12) at 25°C, what is…

A: Moles of n-hexane = 4.50 Moles of n-pentane = 5.50 Temperature = 25°C = 298K The vapor pressures of…

Q: The vapor pressure of water at 25°C is 23.8 torr. An aqueous solution was made by dissolving…

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Q: Predict the vapor pressure of a solution prepared by mixing 45.0 g solid Mg3(PO4)2 (molar mass =…

A: The relative lowering of vapor pressure for solution containing non-volatile solute is equal to the…

Q: Calculate the vapor pressure at 85.0°C of a solution prepared by dissolving 0.600 mol of liquid…

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Q: Enter your answer in the provided box. Calculate the vapor pressure of a solution made by dissolving…

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Q: 4*) Consider the three solutions listed below that are prepared by dissolving 1 mole of the…

A: Answer:- This question is answered by using the simple concept of lowering of vapor pressure when a…

Q: 10.0 g of glucose is added to 300 g of water at room temperature. The vapor pressure of water at…

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Q: A solution is prepared by dissolving 215 grams of methanol, CH3OH, in 1000. grams of water. What is…

A: Freezing point depression: The Freezing point of the solution is diereses than pure solvent so the…

Q: vapor pressure

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Q: At a certain temperature the vapor pressure of pure methanol (CH,OH) is measured to be 0.42 atm.…

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Q: A solution is made using 81.7 g of hexane (MM = 86.18 g/mol) and 60.0 g of octane (MM = 114.2…

A: We know that, Number of moles = mass/molar mass  Mole fraction = Moles of Solute or solvent/Total…