Addition of 4.50 g of an unknown substance in 95.00 mL CCl4 raises the boiling point by 0.80K. Calculate the freezing point depression (K) for this solution.

Q: The normal freezing point of a certain liquid X is 1.60 °C, but when 18.2 g of benzamide (C₂H,NO)…

A:

Q: A 0.400-g sample of an unknown compound is dissolved in 20.0 mL of cyclohexane(density =…

A: Answer:

Q: 4. Calculate the freezing point depression a 0.15 m aqueous solution of sodium chloride. Kf = 1.855…

A: Depression in the freezing point is the difference between the freezing point of the pure solvent…

Q: 14. Certain compounds are known to “dimerize” in solution – this means that the intermolecular…

A: The depression in freezing point is given by  ΔTf = i * Kf * molality where ΔTf = depression in…

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

A: Here the given unknown compound contains 42.9%C, 2?4% H ,16.6% N and 38.1% O . We have to find…

Q: The normal freezing point of a certain liquid X is -0.70 °C, but when 19. g of sodium chloride…

A: Given ,Normal freezing point of certain liquid, X Mass of NaCI = 19. gMass of X = 850. gObjective…

Q: A 0.400-g sample of an unknown compound is dissolved in 20.0 mL of cyclohexane (density = 0.779…

A:

Q: Assuming 100% dissociation in aqueous solution, calculate the freezing point of a solution made by…

A: It is given that there is 100 % dissociation of NaCl in the solution. Mass of NaCl = 16.94 g The…

Q: 1. Estimate the freezing and normal boiling points of 0.25 m aqueous solutions of NH4NO3 and NiCl3

A: Any solution's "boiling point (Tb)", as well as "freezing point(Tf)", is directly related to the…

Q: 3. A 0.2436-g sample of an unknown substance was dissolved in 20.0 mL of cyclohexane. The density of…

A:

Q: but when 17.0 g The normal freezing point of a certain liquid x is 3.90 °C, benzamide (C,H,NO) are…

A: Given: The normal freezing point of liquid X = 3.90 oC When 17.0 g of benzamide are dissolved in…

Q: What would be the theoretical freezing point of a solution made by dissolving 5.551 g of CrSO 4 in…

A: Depression of freezing point is a colligative property which depends upon the concentration of…

Q: What is the freezing point of a solution containing 3.10 grams benzene (molar mass = 78.11 g mol-1)…

A: Given, 3.10 g benzene 32.0 g paradichlorobenzene The freezing point of paradichlorobenzene = 53.0o…

Q: A certain substance X melts at a temperature of 7.4 °C. But if a 350. g sample of X is prepared with…

A: To calculate the molal freezing point depression constant Kƒ of substance X, we first need to…

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: The freezing point of a solution that contains 1.00 g of an unknown compound is dissolved in 10.0 g…

A: Tf = (Freezing point of pure solvent) - (Freezing point of solution)Tf=(5.48 oC) - (2.07 oC) = 3.41…

Q: 4. 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…

A:

Q: Adding 1g of benzene, CH6, to 70g cyclohexane, CH12, lowers the freezing point of the cyclohexane…

A: The formula to calculate freezing point depression constant is as follows, where, Kf = molal…

Q: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

A:

Q: The addition of 0.125 g of an unknown, non-ionic compound to 100 g of cyclohexane lowered the…

A: The lowering in freezing point is given by ( for non ionic compounds)  lowering in freezing point =…

Q: The normal freezing point of a certain liquid X is 4.70°C, but when 83.g of benzamide (C7H7NO) is…

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

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: What is the freezing point (in K) of a solution made by dissolving 19.607g of CCl4 in 130.0 g of…

A: 19.607 g of CCl4 is dissolved in 130.0 g of benzene . Pure benzene has a freezing point of 5.5 °C…

Q: You are a forensic chemist and vou are given a white powder to analyze. You take a 0.25- g sample of…

A: Given that 0.25 g of a sample is dissolved in 4.0 g of a benzene.Freezing point of the solution is…

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: The normal freezing point of a certain liquid X is 0.10 °C, but when 18. g of potassium bromide…

A:

Q: What would be the theoretical freezing point of a solution made by dissolving 15.56 g of CrSO 4 in…

A:

Q: A solution that contains 5.50 g of ferrocene [a non-electrolyte, molar mass = 186.0 g/mol] dissolved…

A: Given data, Mass of ferrocene = 5.50 g Molar mass = 186.0 g/mol Mass of solvent = 75.0 g = 0.075 Kg…

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…

A: The empirical mass of the compound has to be calculated. The mass of cyclohexane is determined as,…

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

A: We know that, depression in freezing point in terms of Van’t Hof factor is given by,…

Q: Pure napthalene freezes at 80.6oC and has a freezing point depression constant of 6.9oC/m. The…

A: Answer: The molar mass of the unknown compound is 72.63 g/mol.

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

A:

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…

A: The molecular mass of the compound has to be determined. The mass of cyclohexane is determined as,…

Q: The normal freezing point of a certain liquid X is 0.60°C, but when 0.14 kg of barium hydroxide…

A: Given : Mass of barium hydroxide, Ba(OH)2 i.e solute = 0.14 Kg = 140 g         (since 1 Kg = 1000 g)…

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.