A. FREEZING POINT DEPRESSION Kf (°C/m) of water 1.86 Freezing Point of Water, 0.00 °C SOLVENT 100.0 g water Mass / Volume added Added reagent Molecular Weight van't Hoff Factor m Freezing Point 20.0 g NaCl 58.44 25.0 g Li2SO4 109.94 0.150 M 10.0 mL ethanol B. BOILING POINT ELEVATION Kb (°C/m) of water 0.5121 Boiling Point of Water, 100.0 °C SOLVENT 100.0 g water Mass / Volume added Added reagent Molecular Weight van't Hoff Factor Boiling Point m 20.0 g NaCl 58.44 25.0 g Al(NO3)3 213 0.200 10.0 mL Mglycerol

Q: A researcher prepares a new compound and uses freezing point depression measurements to determine…

A:

Q: 37. What is the boiling point of a solution that is a mixture of 37.5 mol% A and 62.5 mol% B? bpt.…

A: Given phase diagram:

Q: Determine the freezing point of a solution that contains 83.8 g of naphthalene (C10H8, molar mass =…

A: Molality of solution can be calculated as follows:

Q: A researcher prepares a new compound and uses freezing point depression measurements to determine…

A: Given Mass of compound = 1.538 g mass of cyclohexane = 75 g  freezing point of the solution = 2.16°C…

Q: The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kf=20.0. 0.140 g of an unknown…

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

Q: The freezing point of a pure solvent was 7.39 ºC .  A solution of 5.00 g of an unknown…

A:

Q: 10 A 3.40-g sample of a mixture of naphthalene (C, H.) and pyrene (CH) is dissolved in 35.0 g…

A: Given: The mass of the mixture of naphthalene and pyrene = 3.40 g The mass of benzene (solvent) =…

Q: 2. A 1.5 g sample of a mixture of naphthalene (C10H8) and anthracene (C14H10) is dissolved in 20.0g…

A: Given that, Weight of the sample mixture of naphthalene and anthracene = 1.5g Weight of benzene =…

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: 1. Calculate the boiling point and freezing point of a solution containing 478 g of ethylene glycol…

A: Depression in any solute is known as the colligative property.   Here, ΔTf = kf*m…

Q: 6.50

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

Q: What is the boiling point of a phenol solution if that same solution freezes at 38.4 °C? The normal…

A: We know that when a solution is made from a pure solvent, there is depression in freezing point, and…

Q: The normal freezing point of a certain liquid X is 3.90°C, but when 12. g of potassium bromide (KBr)…

A: Upon addition of some external material the freezing point and boiling point of the compound changes…

Q: A solution was prepared by dissolving solute T in 105 g benzene. The freezing point of this solution…

A:

Q: Determine the freezing point of a solution that contains 78.8 g of naphthalene (C10Hg, molar mass =…

A: Given:Mass of napthalene (C10H8) = 78.8 gMolar mass of (C10H8) = 128.16 g/molDensity of benzene =…

Q: A. FREEZING POINT DEPRESSION Kf (*C/m) of water 1.86 Freezing Point of Water, 0.00 °C SOLVENT 100.0…

A:

Q: A solution was prepared by dissolving solute T in 120 g benzene. The freezing point of this solution…

A: Given : Mass of solvent i.e benzene = 120 g = 0.120 Kg                                     (since 1…

Q: What is the freezing point of a 1,4-dioxane solution if that same solution boils at 103.0 °C? The…

A: From the formula of elevation in boiling point, and depression in freezing point, we can solve the…

Q: 1. A student determines the molar mass of methanol, CH3OH by the same method used in this…

A: Answer: This question is based on the colligative property of the solution. Colligative property of…

Q: An online study examined the lowering of freezing point when 0.222 g of an unknown molecular solute…

A: Mass of in known compound ,m = 0.222g Let the molar mass of compound be M g/mol. Then, number of…

Q: 4.a. Assume you dissolve 45.0 g of camphor, CioH160, in 425 mL of ethanol, C₂H5OH. Determine the…

A: Answer: Formula for calculating Molal concentration is shown below: molality=moles of…

Q: Calculate the freezing point of a 14.00?14.00m aqueous solution of methanol. Freezing point…

A: The freezing point of a 14.00m aqueous solution of methanol is to be calculated. Given: Molality of…

Q: Select the one with the highest boiling point. Select the one with the lowest freezing point. A. 1.0…

A: Elevation of boiling point (∆Tb) is directly proportional to molality of solution ∆Tb = i × Kb × m…

Q: A student prepares a solution by dissolving 1.88 g of para-dichlorobenzene (C6H4Cl2, = 147.0 g/mol)…

A: Given; The given mass of C6H4Cl2, (Wb) = 1.88 g. The molar mass of C6H4Cl2, (Mb) = 147.0 g/mol. The…

Q: After the addition of 24 g of ethanol (CH;OH) to 1 kg of water, the freezing point of the solution…

A: ∆Tf = Kf .m  Where  ∆Tf = (T° - Ts)  Where  T° =freezing point of pure water = 273 K  Ts =freezing…

Q: The freezing point of pure benzene is 5.50 C. The freezng point of a soultion containing 5.00g of an…

A: 1) The freezing point depression of solution = freezing point of solvent - freezing point of…

Q: A. FREEZING POINT DEPRESSION Kf (°C/m) of water Freezing Point of Water, 1.86 0.00 °C SOLVENT 100.0…

A: Mass of water = 100g Freezing point of water = 0.00°C Kf of water = 1.86°C/m Freezing point of…

Q: Consider naphthalene, C10H8. A solution of naphthalene is prepared by mixing 25.0g of naphthalene…

A: The vapour pressure of solution of naphthalene in carbon disulfide is calculated in step two.

Q: Determine the boiling point (in °C) of a solution that contains 45.5 g of MgCl2 dissolved in 685 mL…

A: BOILING POINT: The temperature at which the vapor pressure of any liquid becomes equivalent to the…

Q: An aqueous potassium chloride solution is prepared by dissolving 76.8g of KCl in 435.0g of water.…

A: Given: Mass of KCl= 76.8g Mass of water= 435.0g Freezing point depression constant of water=…

Q: Calculate the freezing point of a 2.0 m solution of sucrose in water? Sucrose is nonelectrolyte. The…

A: Given data contains, Molality of sucrose solution is 2.0 m. Normal freezing point of water is…

Q: A solution contains 125 g of a compound and 555 g water.   The boiling point  of the pure solvent is…

A: Given :-  Mass of compound = 125 g   Mass of solvent = 555 g or 0.555 kg  boiling point  of the…

Q: Determine the freezing point of a solution that contains 65.1 g of naphthalene (C10H8, molar mass =…

A: Given: Mass of Napthalene = 65.1g            Volume of benzene = 734 mL            Density of…

Q: Calculate the vapor pressure of ethanol, CH3CH2OH, in a water solution containing 70.0% ethanol by…

A:

Q: 3. 2 g of NacI is dissolved in 500 g of water at 35°C. Determine the ff: PNacI • 2.16 cm a. Boiling…

A: Kf for water=1.86 °C/m Kb for water= 0.52 °C/m

Q: In an aqueous solution of sulfuric acid, the concentration is 9.11 mol% of acid. The density of the…

A: Given :  Mol % of H2SO4 solution = 9.11 %  Density = 1.2528 g /ml

Q: A researcher prepares a new compound and uses freezing point depression measurements to determine…

A: The objective of this question is to calculate the molar mass of a new compound using freezing point…

Q: 0.25g of a certain substance is dissolved in 60g of water. The freezing point of the solution is –…

A: When a solute is dissolved in the water, the vapor pressure of the solution is lower than the pure…

Q: SOLUTIONS 1. Calculate the mass in grams of KMnO4 that should be used to prepare 2.0 L of 0.25 M…

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

Q: A solution was prepared by dissolving solute T in 120 g benzene. The Tin this solution. Solute T is…

A: We know that,  ∆Tf = Tf ( pure benzene) - Tf(solution)          = (5.50 - 5.18) °C.         = 0.32°…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.