13.61 You make a solution of a nonvolatile solute with a liquid solvent. Indicate whether each of the following statements is true or false. (a) The freezing point of the solution is higher than that of the pure solvent. (b) The freezing point of the solution is lower than that of the pure solvent. (c) The boiling point of the solution is higher than that of the pure solvent. (d) The boiling point of the solution is lower than that of the pure solvent.

Q: What is the freezing point of an aqueous solution of LiF if the boiling point of the solution is…

A: Elevation of boiling point, ΔTb = 101.6 – 100.00 0C…

Q: Which of the following statements is false? O The greater the attraction between the solute and…

A: The ability of any solute Substance to dissolve in solvent like water is called it's solubility.…

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: A certain solution of concentrated aqueous ammonia contains 1.10 mol NH3dissolved in 2.37 mol H2O.…

A: Given: Moles of NH3 = 1.1 And moles of  H2O = 2.37

Q: What is the molality of a solution prepared by dissolving 15.1 g of potassium nitrate in 250. g of…

A:

Q: At a given temperature, pentane with a vapor pressure of 624 torr is mixed with hexane with a vapor…

A: Raoult's law for solution of volatile liquids is P = P0 * x Where P = partial pressure and P0 =…

Q: An aqueous solution containing 36.8 g of an unknown molecular (non-electrolyte) compound in 143.2 g…

A: Solution is made up of two components which are solute and solvent. Solute is present in the minor…

Q: Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated…

A: The molality of the solution is calculated as, The molality of the solution is

Q: An aqueous solution containing 15.1 g of an unknown molecular (nonelectrolyte) compound in 108.5 g…

A: Given: The mass of an unknown compound and the mass of water is 15.1 g and 108.5 g, respectively.…

Q: The freezing point depression of a solution is dependent on the number of particles in the solution,…

A: Solution:- Given data:- 0.1 mole of Na3PO4 in 1 L water 0.1 mole of NaCl in 1 L water. So,…

Q: 2. What is the freezing point (in degrees Celcius) of 3.70 kg of water if it contains 187.4 g of…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: what is the molality of the bleach? what is the mole fraction of NaOCl in the bleach

A:

Q: When 2.45 g of a certain molecular compound X are dissolved in 80. g of formamide (NH₂COH), the…

A:

Q: When 184. mg of a certain molecular compound X are dissolved in 85. g of formamide (NH,COH), the…

A:

Q: When 2.06 g of a certain molecular compound X are dissolved in 90. g of benzene (CH), the freezing…

A: mass of solute = 2.06 g mass of solvent = 90.0 g Solvent = benzene Freezing point = 3.5 oC

Q: A 0.25 mol/kg solution of potassium nitrate (KNO3) freezes at -0.93 °C. Calculate the van't Hoff…

A: Given: molality = 0.25 observed Delta T = -0.93°C normal delta T = Kf × molality…

Q: When 5.31 g of a certain molecular compound X are dissolved in 70. g of formamide (NH,COH), the…

A: answer: molar mass of the compound X is is 481.33 g mole-1

Q: Ethylene glycol (C2H6O2) is used as an additive to the water in your automobile to lower it’s…

A:

Q: An aqueous solution contains 17.5 g of an unknown molecular compound in 100.0 g of water and has a…

A: Given : aqueous solution of compound (means solvent is water). Mass of solute = 17.5 g Freezing…

Q: 3) 21.0 g of a nonelectrolyte is dissolved in 0.200 kg of water. The resulting solution freezes at…

A: Answer    Freezing point Tf  = Kf  × molality   Molality  = mass…

Q: Arrange the following aqueous solutions in order from smallest to greatest freezing point…

A: Increasing order of freezing point depression  0.550m glucose <  0.550m NaCl < 0.550m CaCl2

Q: Formic acid (HCO2H) is a monoproteic acid that is partially ionized in aqueous solution. A 0.10 M…

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Q: Methanol (CH₃OH) and ethanol (C₂H₅OH) are miscible be-cause the major intermolecular force for each…

A:

Q: When 1.54 of a certain molecular compound X are dissolved in 55. of g benzonitrile (c,H,CN), the…

A: Here the solute is compound, X and solvent is benzonitrile(C6H5CN). Mass of the solute, X taken for…

Q: A lithium salt used in lubricating grease has the formulaLiCnH2n + 1O2. The salt is soluble in water…

A: Given that, Osmotic pressure = 57.1 torr = 0.075 atm And osmotic pressure of a solution can be…

Q: Nicotinamide is an important vitamin for metabolism and is soluble in water. Deficiency of this…

A:

Q: What is the freezing point of an aqueous solution that contains 1.3 moles of MgCl2 per 1 kg water?

A: The freezing point has to be calculated

Q: A compound has a molar mass of 208.2 g/mol. When 10.45 g of this compound is dissolved in 100.0 g of…

A: M=208.2 W=10.45, kf= 1.86 ΔTf = kf. Molality -2.60=1.86 .m Molality m =1.397 Wt of solvent W=100.0g…

Q: If a 36.0-g sample of a molecular compound (i-1) is dissolved in 224.0 g of water, the freezing…

A:

Q: What is the boiling point of a solution of 210.0g of sodium iodide in 650g of water assuming…

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Q: The freezing point of water, H,0, is 0.000 °C at 1 atmosphere. KAwater) = 1.86 °C/m In a laboratory…

A:

Q: How many grams of electrolyte KF (molar mass = 58.10 g/mole) must be added to 64.10 g of ethanol (Kf…

A: Consider the given information is as follows; Molar mass of KF = 58.10 g/molMass of KF (solute)=…

Q: Assume that when you were transferring the mass of sodium chloride you measured to Test Tube 2, a…

A: Since a small amount of NaCl remained on the weighing paper, the actual amount of NaCl is smaller…

Q: What is the density of a potassiym chloride solution if its molarity is 0.3 M and its molality is…

A: Given- Molarity of potassium cholride solution = 0.3 M Molality of potassium chloride solution = 0.5…

Q: A solution consisting of 0.240 mol of methylbenzene, C6H5CH3, in 252 g of nitrobenzene, C6H5NO2,…

A: First, calculate the molality of the solution: Molality = Moles of methylbenzene / Mass of…

Q: What is the freezing point of a solution which contains 89.8 g of ethylene glycol (62.07 g/mol)…

A: Depression in in freezing point ( ∆Tf ) :-  When a non volatile solute is added to a pure solvent ,…

Q: Given: Mass of lauric acid (g): 8.000g Mass of benzoic acid (g): 1.027g Freezing temperature of pure…

A: We know that,   Molar mass of H = 1.00784 g/mol. Molar mass of C = 12.0107g/mol Molar mass of O =…

Q: When 50.7 g of a certain molecular compound x are dissolved in 100 g of formamide (NH, COH), the…

A: Depression of freezing point is a colligative property. Colligative property depends on the number…

Q: What is the freezing point of an aqueous solution that contains 2.30 moles of rock salt (NaCl) per…

A: ΔTf = kf . molality We know kf for water is 1.86 ⁰CKg/mol Freezing point for pure water is 0 ⁰C or…

Q: Nicotinamide is an important vitamin for metabolism and is soluble in water. Deficiency of this…

A: The Molecular mass of Nicotinamide can be calculated by help of depression in freezing point. It has…

Q: Alcohols are organic compounds which are soluble in water, but are nonelec- trolytes. If a 6.247 g…

A:

Q: Given: Mass of lauric acid (g): 8.000g Mass of benzoic acid (g): 1.027g Freezing temperature of pure…

A: Given: Mass of lauric acid (g): 8.000g Mass of benzoic acid (g): 1.027g Freezing temperature of pure…

Q: 2.00g of an unknown compound is mixed to form a homogeneous solution with 75.00 g of benzene. This…

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Q: An aqueous solution containing 35.9 g of an unknown molecular (nonelectrolyte) compound in 150.0 g…

A:

Q: 4. It is found that 0.220 g of a certain polymer dissolved in enough water to make 300 mL of…

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Q: Benzyl acetate is one of the active components of oil of jasmine. If 0.125 g of the compound is…

A:

Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

A:

Q: added to a solvent such as water, which of the following boiling points is not reasonable for the…

A: As we know,  if we add Non-volatile solute in water , elevation in boiling point takes place. So,…

Q: The freezing-point depression constant for mercuric chloride, HgCl2, is 34.3K/m. A 0.849g sample of…

A: The term molality refers to the ratio of number of moles of the given solute to the amount of…