How many moles of solute is present in the solution? Molality of the solution?

Q: The partial molar volumes of water and ethanol in a solution with ₂ are 17.0 and 57.0 cm³ .mol-¹,…

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Q: Cyclohexanol (C6H12O) has a cryoscopic constant of 42.2 K kg mol−1, an Ebullioscopic constant of 3.5…

A: Cyclohexanol (C6H12O) has a cryoscopic constant of 42.2 K kg mol−1, an Ebullioscopic constant of 3.5…

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

A: Given: The mass of NaCl = 40.00 g The volume of the solution = 1 L Temperature = 25 °C The…

Q: The partial molar volume of water in a 1.000 molal sodium chloride/water solution at 25°C is 18.042…

A: According to the question, The partial molar volume of water is given by = 18.042 cm3/mol. The…

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given,  Mass of non-volatile solute, MgCl2 = 40.00 g  Molar mass of MgCl2 = 95.211 g/mole  Volume of…

Q: calculate the molar mass of the polymer. Take the density of the solution to be 0.886 g cm

A: Organic solvent  tetrahydrofuran (C4H8O) The osmotic pressure () can be calculated from the…

Q: pose 5.056 grams of an unknown solute are dissolved in 50.0 ams of phenol (C6H50H). The resulting…

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Q: Using the value of 1.853 degrees C/m for Kf, determine the difference in freezing point depressions…

A: Depression of freezing point: The temperature at which equilibrium is established between liquid and…

Q: At 297 k the vapor pressure of pure 2-butanone (CH3COCH₂CH3) is 0.126 atm and the vapor pressure of…

A: Mole fraction of 2-butanone

Q: A solution is prepared by dissolving 40.00 g of MgCl2 (f.w. = 95.211 g mol–1), a non-volatile…

A: Given: Mass of MgCl2 = 40.00 g  Volume of solution = 2 L And temperature = 25 oC

Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

A: Given : Mass of solute = 40g Density = 1.000g/ml

Q: There is a 15.85% by mass aqueous KCl (molecular weight 74.5513 g mol–1) solution at 25 °C. The…

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Q: solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute, in…

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Q: At 55.0 °C, what is the vapor pressure of a solution prepared by dissolving 75.8 g of LiF in 253 g…

A: Note: As per the guidelines solution of first question has been made. For the expert solution of…

Q: Calculate the boiling point for a non-ideal solution of 16.0 g sodium iodide dissolved in 481 mL…

A: ∆Tb = ikbm   ∆Tb = elevation in boiling point  i = Van't hoff factor  Kb = molal elevation constant…

Q: Solute S has a distribution constant of 4.7 between water (phase 1) and hexane (phase 2). A 75.0 mL…

A: Volume of water V1 = 75.0 ml Volume of hexane V2 = 13.0 ml Number of phases (n) = 7 Distribution…

Q: A certain organic compound O has a solubility in acetonitrile of 79,7 at 15. "C. Calculate the…

A: Solubility of acetonitrile = 79.7 g/L 1 L=1000 mL Thus solubility of acetonitrile is 79.7 g /1000…

Q: A student was instructed to determine the molecular weight of an unknown white powder. He remembered…

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Q: Imagine that two 1-L beakers, A and B, each containingan aqueous solution of fructose (a nonvolatile…

A: (a) At equilibrium, the partial pressure of H2O above beaker A equals the partial pressure of water…

Q: The partial molar volumes of water and ethanol in a solution with H₂O = 0.45 at 25 °C are 17.0 and…

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Q: Using the value of 1.853 degrees C/m for Kf, determine the difference in freezing point depressions…

A: The depression in freezing point of any solution is given by  ΔTf = i X Kf X m  where i = Van't Hoff…

Q: Using the value of 1.853 degrees C/m for Kf, determine the difference in freezing point depressions…

A: moles of CaCl2 = 0.19mole mass of water = 514.0 g = 0.514 kg  molality of solution = moles of solute…

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 271. mg of a certain molecular compound X are dissolved in 25.0g of benzene C6H6, the freezing…

A: Given:Mass of molecular compound X=271. mgMass of benzene=25.0 gFreezing point of…

Q: 15. (5 points) Calculate the vapor pressure (in torr) at 25 °C of a solution containing 49.8 mL…

A: The objective of this question is to calculate the vapor pressure of a solution at a given…

Q: Using the value of 1.853 degrees C/m for Kf, de rmine the difterence In (JATE (C a Cl2 solution)…

A: We have to predict the difference in ∆Tf for two given solutes.

Q: student determines the molar mass of methanol, CH3OH by the same method used in this experiment.…

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Q: 1. Might any of the ratios you calculated for Table 2 above be useful for predicting how the…

A: Given that -  Ratio of NaCl/water = 5.02g/5 mL    The freezing point of pure liquid, water is about…

Q: Determine the molar mass of an unknown compound i

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Q: The solvent for an organic reaction is prepared by mixing 70.0 mL of acetone (C3H6OC3H6O) with 56.0…

A: Vapor pressure of the mixture is calculated using the Roulte's law, solvent's partial vapor pressure…

Q: Solute S has a distribution constant of 4.9 between water (phase 1) and hexane (phase 2). A 89.0 mL…

A: The given information is: Distribution constant = 4.9 Volume of phase 1 = 89.0 ml Volume of phase 2…

Q: Solute S has a distribution constant of 5.1 between water (phase 1) and hexane (phase 2). A 71.0 mL…

A: Given that, The distribution constant of a solute S between the water (phase 1) and hexane (phase 2)…

Q: Solute S has a distribution constant of 5.1 between water (phase 1) and hexane (phase 2). A 71.0 mL…

A: Given that,  The distribution coefficient is KD = 5.1. The volume of the aqueous layer is v = 71.0…

Q: The Henry’s law constant for the solubility of radon in water at 300C is 9.57 x 10-6 M/mm Hg. Radon…

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Q: A certain substance X has a normal freezing point of 4.7 °C and a molal freezing point depression…

A: Given : data  Tip: apply equation of depression in freezing point

Q: He started the experiment by measuring the mass and freezing point of the pure solvent with minimal…

A: Several important properties of solutions depend on the number of solute particles in the solution…

Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

A: Given : Mass of solute = 40g NaCl (f.w. = 58.44 g mol–1) Water (m.w. = 18.02 g mol–1) Volume of…

Q: The experimental data in the table was collected during a freezing point depression study where BHT…

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Q: Assume you dissolve 30.0 g of cobalt sulfate heptahydrate (CoSO4.7H2O) in 500 ml of a 1.0 M H2SO4…

A: Molarity = Number of moles of soluteVolume of solution (in L)Number of moles of solute = Given…

Q: The freezing-point depression constant of chloroform is 4.70 kg-K/mole. When 10.52 g of a…

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Q: A solution is made from 220.0 g sucrose (C12H»On, MM = 342.3 g/mol) dissolved to a total volume of…

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Q: Using the value of 1.853 degrees C/m for Kf, determine the difference in freezing point depressions…

A: Depression of freezing point : The temperature in which equilibrium is established between liquid…

Q: A polymer of large molar mass is dissolved in the organic solvent dimethylformamide (C3H7NO) at 25…

A: Answer:Here:

Q: ST4D.3 - The vapor pressure of a substance at various mole fractions in a mixture were found to be…

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Q: A solution is prepared by dissolving 40.00 g of NaCl (f.w. = 58.44 g mol–1), a non-volatile solute,…

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