A 1.10 g sample of an unknown compound reduces the freezing point of 75.22 g benzene from 5.53 to 4.92 ºC.  What is the molar mass of the compound?

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Q: Calculate the freezing point of a solution made by dissolving 1.00 mole of NaCl in 1000. g of H2O.

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Q: Calculate the molality of the solution.

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Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.290…

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Q: When 0.357 g of an unknown compound was dissolved in 60.0 g of benzene (MM: 78.11g/mol), the…

A:

Q: When 4 g of a sample are dissolved in enough benzene to give 2 L of solution the osmotic pressure is…

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Q: 2.A solution that contains 12.6 g of a nonvolatile nondissociating solute in 400. g of benzene…

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Q: freezing

A: As we know that,  ∆Tf = Kf × m Where, m = molality of the solution.  From the above equation, we get…

Q: freezing point of 57.08 g of a pure solvent is measured to be 50.83 ºC. When 2.86 g of an unknown…

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A: Solution -

Q: When 173. mg of a certain molecular compound X are dissolved in 100 g of cyclohexane (C6H12), the…

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Q: A certain liquid X has a normal freezing point of -4.00 °C and a freezing point depression constant…

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Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

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Q: When 498. mg of a certain molecular compound X are dissolved in 25.0 g of dibenzyl ether…

A: A numerical problem based on properties of liquids. A set of data for depression of freezing point…

Q: When 571. mg of a certain molecular compound X are dissolved in 60.0 g of benzene (CH), the freezing…

A:

Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.340…

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Q: A 4.7 x 10^-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

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Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.435…

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Q: 1. A 0.735 g of a covalent organic compound is dissolved in 15.00 g cyclohexane (freezing point =…

A: The depression in freezing point  is given by,                                       ΔTf = mKf…

Q: A solution contains 0.154 mol NaCl and 0.957 mol H, C. Calculate the vapor pressure of the solution…

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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: When 10.1 g of an organic compound known to be 54.53% C, 9.2% H, and 36.32% O by mass is dissolved…

A: Given information: Percent of carbon = 54.53% percent of hydrogen = 9.2% Percent of Oxygen = 36.32%…

Q: A compound contains 42.9%C,2.4%H,16.6%N, and 38.1%O by mass. The addition of 3.16 g of this compound…

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Q: At 25.0 °C, 100.0 mL of an aqueous solution containing 45.2 mg of a molecular solute has an osmotic…

A: we will use osmotic pressure formula

Q: The normal freezing point of a certain liquid X is 4.60°C, but when 40.g of iron(III) nitrate…

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Q: Benzene is a common industrial solvent (molar mass: 78.11 g/mol). Its normal freezing point is 5.50…

A:

Q: A nonvolatile solute is dissolved in benzene and the resulting solution has a vapor pressure of 18.7…

A: In the given question ->Vapor pressure of solution = 18.7 torr = PVapor pressure of pure solvent…

Q: A 300.0 mL aqueous solution containing 0.512 g of an unknown polymer has an osmotic pressure of 32.9…

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Q: Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C,…

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Q: A 6.06-gram sample of a compound is dissolved in 250. grams of benzene. The freezing point of this…

A: Given: The mass of the unknown compound dissolved in benzene = 6.06 g The mass of benzene = 250 g…

Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.332…

A: Given,Mass of solute = 1.79 gMass of water = 64.3 gfreezing point of the solution = -0.332°C