Which of the following solutions has the lowest boiling point? All the solutes are nonvolatile and assume ideal van't Hoff factors.

Q: An aqueous solution freezes at –0.015 °C. What would be the osmotic pressure of the solution at this…

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Q: Solution of ethanol in water was found to be 35.9% ethanol by mass. What is the molarity and  mole…

A: We have to predict the Molarity and mole fraction of ethanol.

Q: The freezing point of a 0.20 m solution of magnesium sulfate (MgSO4) is −1.8°C. What is the value of…

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Q: Choose the aqueous solution that has the highest boiling point. These are all solutions of…

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Q: van't Hoff factor

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Q: The osmotic pressure of a 0.010 M aqueous solution of CaCl2 is found to be 0.674 atm at 25 °C.…

A: When a substance is dissolved in a solvent, the ratio between the actual concentration of the…

Q: What is the osmotic pressure (in units of atmospheres) of a 0.114 M strontium bromide solution at…

A: Given,  Concentration of SrBr2 = C = 0.114 M  Temperature in °C = 18.0 °C  What is the osmotic…

Q: freezing points

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Q: An aqueous solution contains 82.5 g of isopropyl alcohol (C3H7OH) in 218.5 g of solution. What is…

A: given mass of isopropyl alcohol = 82.5 g mass of solution = 218.5 g standard values molar mass of…

Q: An aqueous solution of hydrochloric acid contains 36% HCl by mass. (a) Calculate the mole fraction…

A: Given that mass percent of HCl is 36%. Assuming the total mass of solution as 100 g, 36 g of HCl…

Q: The osmotic pressure of 0.010 M solution of CaCl2 and urea at 25 degrees celsius are 0.605 atm and…

A: Given : Osmotic pressure of CaCl2 solution = 0.605 atm Osmotic pressure of urea solution = 0.245 atm…

Q: If the concentration of an aqueous solution was determined to be 1.3 molal, what is the mole…

A: Given , Concentration of an aqueous solution is 1.3 molal . Atomic weight of H= 1g/mol…

Q: Calculate the mole fraction (of each component) of a solution prepared by dissolving 125 mL of pure…

A: It is defined as the number of moles of the solute to the total number of moles. mole fraction= no.…

Q: Calculate the vapor pressure of a solution of 34.0 g of glycerol (C3H8O3) in 500.0 g of water at…

A: Given: The amount of glycerol taken = 34.0 g The amount of H2O taken = 500.0 g The vapor pressure of…

Q: Calculate the mole fraction of an aqueous solution that is 16 % by mass X2SO4 (molar mass = 168.15…

A: Given: % by mass of X2SO4 = 16 % And molar mass of X2SO4 = 168.15 g/mol.

Q: An aqueous solution has a molality of (4.9300x10^-1) m. The density of the solution is (1.42x10^0)…

A: To calculate mole fraction of solute, we use formula : mole fraction of solute = ( moles of solute /…

Q: An aqueous solution contains 64.0 grams of ethanol (C2H5OH) in 122.0 grams of solution. The mole…

A: Given that mass of ethanol is 64.0 g. Number of moles of has to be determined.

Q: 209 g of iron (III) chloride (FeCl3, 162.204 g/mol) is dissolved in 252 g of water. The van't Hoff…

A: Elevation in boiling point: When a solute is added to the pure solvent then, in this case, there is…

Q: A solution contains a mixture of pentane and hexane at room temperature. The solution has a vapor…

A: Given :-  vapor pressure of solution = 248 torr  vapor pressure of pure hexane = 151 torr  vapor…

Q: Calculate the mole fraction, molarity and molality  of NH3 if it is in a solution composed of 30.6g…

A: Molarity is the unit of concentration of a solution, and its unit is mol/Lmol/L. It is defined by…

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

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Q: An aqueous antifreeze solution is 38.5% ethylene glycol (C2H6O2) by mass. The density of the…

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Q: Arrange the following aqueous solutions in order of increasing freezing   0.30 molal NaCl, 0.30…

A: Freezing point of solution is inversely proportional to molarity×vant's hoff factor

Q: A 2 molal aqueous solution boiled at 102.0°C at sea level. At what temperature was it expected to…

A: the aqueous solution is expected to boil at 100 degree Celsius. vant hoff factor can be calculated…

Q: Determine the molarity of each of the following solutions from its osmotic pressure at 25°C. Include…

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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: what role intramolecular forces play in determining osmotic pressure, boiling point, freezing point…

A: In solutions various forces are present. These forces guide the properties of solutions like boiling…

Q: These are all aqueous solutions. Predict the one that has the highest boiling point. Do take into…

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Q: calculate the freezing point and boiling point of an antifreeze solution that is 50% by mass of…

A: Colligative properties are the properties which depend on the number of atoms or molecules or ions…

Q: The vapor pressure of a solution containing 56.3 g glycerin (C3H8O3, molar mass = 92 g/mol) in 137.3…

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Q: Choose the aqueous solution that has the highest boiling point. Assume ideal van't Hoff factors. O…

A: Boiling point elevation: The formula used here is, ∆Tb = i × Kb × m Tb(solution) - Tb°(water) = i ×…

Q: Arrange the following aqueous solutions, each 10% by mass in solute, in order of increasing boiling…

A: Since the elevation in boiling point is given by  elevation in boiling point = Kb X m X i  where Kb…

Q: When converting from a unit of molarity to molality, weight %, or mole fraction besides the value of…

A: Molarity is number of moles of solute present per unit litre volume of solution.  Molality is…

Q: An aqueous solution contains 3.9% NaClNaCl by mass. Calculate the molality of the solution.…

A: Given,  An aqueous solution contains 3.9% NaCl by mass.   Molar mass of NaCl = 58.5 g/mol

Q: Define the following terms :(i) Mole fraction(ii) Isotonic solutions(iii) van’t Hoff factor(iv)…

A: “Since you have asked multiple questions, we will solve the first three question for you. If you…

Q: There are two aqueous solutions, they are both NaCl the first one has a molality of 0.1 m and the…

A: Van't Hoff factor is defined as the number of ions produced by the dissociation of 1 formula unit of…

Q: A nonvolatile solute is dissolved in benzene so that it has a mole fraction of 0.147. What is the…

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Q: Calculate the mole fraction of each component of a solution containing 65 g of ethanol (C 2 H 6 O)…

A: Mole fraction is given by the ratio of number of moles of one component to total number of moles of…

Q: 18.0 %(m/m) solution of potassium chloride has a density of 1.12 g/cm3 at 20.0 °C. Calculate the…

A: %m/m of KCl = 18.0%  Density of KCl = 1.12 g/cm3  Molarity = ?  Molality = ?

Q: An aqueous solution is 1.581 molal in sodium thiosulfate. It has a freezing point of -5.370 °C.…

A: Number of particle of the compound is related to depression in freezing point as follows:Where, KF…

Q: An ethanol water solution is prepared by dissolving 10.00 mL of ethanol, CH3CH2OH (density = 0.789…

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Q: If the mole fraction of water in NaCl aqueous solution is 0.75, calculate the molality of NaCl in…

A: Answer: Molality of a solute in a solution is the ratio of its number of moles with the mass of…

Q: Calculate the mole fraction of the solute in the solution: 25 g of Cl2 in 125 g of dichloromethane…

A: A mole is a measurement unit for the number of atoms, molecules, or compounds present in a solution.…

Q: A solution is prepared by mixing 24.56 g of methanol, CH40 (32.04 g/mol); 62.85 g of water (18.02…

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Q: Define the following terms :(i) Mole fraction (x)(ii) Molality of a solution (m)

A: The concentration is the measure of the amount of the substance that gets dissolved in another…

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

A: 5%  NaCl by mass means 5 g of solute is dissolved in 100 g of solution. Mass of solute (NaCl) = 5g…

Q: A solution of calcium nitrate in water is found to have a melting point of -0.87 °C. What is the…

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Q: What is the molality of a solution made by dissolving 36.5 g of naphthalene 1C10H82 in 425 g of…

A: The molality of a solution made by dissolving 36.5 g of naphthalene 1C10H82 in 425 g of toluene has…

Q: Calculate the osmotic pressure of a solution composed of 25.0 g urea (non-volatile molecular solute,…

A: The volume of 1.0 L is equal to 1000 mL. The concentration of the solution containing 25.0 g is…

Q: b) List the following solutions in order of decreasing freezing point: 0.04 molal glycerol (C3H8O3);…

A: b) Given: Molality of C3H8O3 = 0.04 m Molality of KBr = 0.025 m And molality of C6H5OH = 0.030 m