An aqueous solution containing 34.5 g of an unknown molecular (non-electrolyte) compound in 150.1 g of water was found to have a freezing point of -1.4 °C.

Q: What is the freezing point in degrees Celsius of a solution prepared by dissolving 15.6 g aluminum…

A: The freezing point of a substance represents the temperature at which there exists an equilibrium…

Q: Calculate the freezing point of a solution of 35.0 g methyl salicylate, C7H6O2, dissolved in 800. g…

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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…

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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: A certain liquid X has a normal freezing point of -6.50 °C and a freezing point depression constant…

A: Since the mass of solute KBr = 15.2 g hence moles of KBr = mass / molar mass = 15.2 / 119 = 0.12773…

Q: How much table salt should be added to 300 g water to lower its freezing point to -2.00°C?

A: given data : Kf of water = 1.86 °C/m  Freezing point of water = 0°C  ∆Tf = 0-(-2.00) = 2.00°C  Mass…

Q: The freezing point of ethanol, CH3CH,OH, is -117.300 °C at 1 atmosphere. Kgethanol) = 1.99 °C/m In a…

A: Given: The freezing point of pure ethanol is -117.300°C. The freezing point depression constant of…

Q: A solution is prepared by combining 4.82 grams of an unknown non-electrolyte with 305.0 grams of…

A: Given that: Mass of solute = 4.82 g Mass of chloroform = 305.0 g = 0.305 kg Freezing point of the…

Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Molar Mass of napthalene (C10H8) = 128 g/mol Molar mass of pyrene (C16H10) = 202 g/mol Mass of…

Q: When 1.504 g of a solute is dissolved in 5.012 g of solvent (benzene), the solution freezes at -7.05…

A: Given: Mass of solute = 1.504 g Mass of solvent (Benzene) =5.012 g Freezing point of the solution…

Q: If 150 g of ethylene glycol (C 2H 6O 2) is added to 1,000. g of water, what is the freezing point?

A: Kf value of water is 1.86 K Kg mol-1. Depression in freezing point when a non-volatile solute is…

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

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Q: (a) Differentiate between molarity and molality in a solution. What is the effect of temperature…

A: a) The molarity is the concentration term that can be expressed as the mathematical ratio between…

Q: 1.1 A certain solution was prepared by mixing 25.0 gram of a nonelectrolyte solute in 75 grams…

A: The answer for first question is given below. Kindly repost the other question as separate question…

Q: Use the data in figure 3 on page 2 to calculate the molecular formula of sulfur (S x)—that is,…

A: The molecular formula of sulfur (S x)—that is, the whole number value of “x.” has to be determined.

Q: A solution is prepared by combining 4.81 grams of an unknown non-electrolyte with 246.0 grams of…

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Q: An aqueous solution containing 35.9 g of an unknown molecular (non-electrolyte) compound in 147.0 g…

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Q: A certain liquid X' has a normal freezing point of -3.40 °C and a freezing point depression constant…

A: The question is based on the concept of depression in freezing point.  on adding solute to a…

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: If 123 g of C10H16O are dissolved in 355 g of C6H6, what is the freezing point of this solution?

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Q: A 3.40-g sample of a mixture of naphthalene (C₁₀H₈) and pyrene (C₁₆H₁₀) is dissolved in 35.0 g…

A: Assuming mass of naphthalene in the mixture is y. Hence mass of pyrene = mass of mixture - mass of…

Q: An aqueous solution containing 17.5 g of an unknown molecular (nonelectrolyte) compound in 100.0 g…

A: Given: Mass of compound = 17.5 g. Mass of water i.e. solvent = 100.0 g = 0.100 Kg…

Q: The boiling point of an aqueous solution is 101.18 ∘C. What is the freezing point?

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Q: A compound of cobalt, carbon, and oxygen contains 28.1% C and 34.5% Co. When 0.147 g of this…

A: The depression in freezing point = freezing point of solvent (cyclohexane) - freezing point of…

Q: Concentrated phosphoric acid as sold for use in the laboratory is usually 90% H3PO4 by mass (the…

A: Molarity is defined as the number of moles of solute dissolved in per litre of the solution.  It is…

Q: A water solution containing an unknown quantity of a non electrolyte solute has a freezing point of…

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Q: A certain liquid X has a normal freezing point of −6.30°C and a freezing point depression constant…

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Q: Calculate the freezing point and boiling point for 0.43 molmol ethylene glycol and 0.17 mol KBrmol…

A: Boiling point =374.8K (Upto one decimal place) Freezing point= -6.5K (upto one decimal place)

Q: An aqueous solution containing 36.6 g  of an unknown molecular (non-electrolyte) compound in 148.7 g…

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Q: A certain liquid X has a normal freezing point of-3.00 °C and a freezing point depression constant…

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Q: The freezing point of ethanol, CH3CH₂OH, is -117.300 °C at 1 atmosphere. K(ethanol) = 1.99 °C/m In a…

A: Given:Mass of solute = 10.78 gMass of solvent ethanol = 294.9 gThe solution began to freeze at…

Q: A 3.40-g sample of a mixture of naphthalene (C10H8) and pyrene (C16H10) is dissolved in 35.0 g…

A:

Q: molar mass

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Q: Assume that each of the ions in calcium chloride, CaCl2, has the same effect on the freezing point…

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

Q: Nicotine, extracted from tobacco leaves, is a liquid completely miscible with water at temperatures…

A: Colligative properties are those physical properties whose magnitude depends on the moles of the…

Q: The freezing point of ethanol, CH3CH2OH, is -117.300 °C at 1 atmosphere. Kf(ethanol) = 1.99 °C/m In…

A: Given, In a laboratory experiment, students synthesized a new compound and found that when 13.34…

Q: An aqueous solution containing 17.5 g of an unknown molecular (nonelectrolyte) compound in 100 ml of…

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Q: When 86 g of a nonelectrolyte compound are dissolved in exactly 76 g of water, the solution has a…

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