When answering this problem, report the answer with the appropriate number of significant figures. When entering units, use proper abbreviated units with proper capitalization. A solution is prepared by combining 4.81 grams of an unknown non-electrolyte with 258.0 grams of chloroform. The freezing point of the mixture is --64.86 oC, while the freezing point of pure chloroform is -63.50oC. The kf of pure chloroform is 4.68 oC/molal. Based on this information, determine the molality of the solution. _______ (write units here _____)

Q: The molality concentraion of a solution can be described as  - the moles of solute per liter of…

A: Molarity is defined as the moles of solute per litre of a solution. Molarity is also known as the…

Q: When 14.0 g of a certain molecular compound X are dissolved in 85. g of benzene (CH), the freezing…

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Q: This question is part one of three. When answering this problem, report the answer with the…

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Q: A solution is prepared by combining 5.03 grams of an unknown non-electrolyte with 323.0 grams of…

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Q: When 3.97 g of a certain molecular compound X are dissolved in 75.0 g of cyclohexane (C,H2), the…

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Q: A student dissolves 19. g of glucose (CH,20,) in 250. mL of a solvent with a density of 0.84 g/mL.…

A: Mass of glucose = 19 g Volume of solvent = 250 mL Density of solvent = 0.84 g/mL Molarity =?…

Q: In addition to filling in the blanks below, show all of your work for this problem on paper for…

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Q: A solution is made using 293.5 mL of methanol (density 0.792 g/mL) and 300.0 mL of water (density…

A: Given:Volume of methanol = 293.5 mL.Density of methanol = 0.792 g/mL.Volume of water = 300…

Q: Match the following aqueous solutions with the appropriate letter from the column on the right.…

A: Freezing point is the point at which substance starts to freeze. At this point, liquid starts to…

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Q: Available was 250.00 ml of a 15.67 M H,S0, solution (density 1.7872 g/mL). Assume you pipetted 70.00…

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Q: A solution is made using 218.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

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Q: [References) Use the References to access important values if needed for this question. The freezing…

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Q: aqueous solution of silver acetate, AgCH3COO, contains 4.32 grams of silver acetate and 17.6 grams…

A: An  aqueous  Solution contains   AgCH3COO and H2O.  Therefore ,Mass of  aqueous  Solution  =Mass of…

Q: Which one of these is not a colligative property? osmotic pressure freezing point depression vapor…

A: colligative properties are depend on the ratio of the number of solute particles and not on the…

Q: Compare two solutions. Sort the answers to correctly describe each solution. KF dissolved in water…

A: KF is an ionic compound made up of  cations (K⁺) and anions (F¯) and, when such solid compounds are…

Q: solution is prepared by dissolving 104.1 grams of barium chloride, BaCl2 in 1000. grams of water?…

A: Depression in freezing point.

Q: A 1.10 g sample of an unknown compound reduces the freezing point of 75.22 g benzene from 5.53 to…

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Q: A 50.0-ml solution is initially 1.55% MgCl, by mass and has á density of 1.05 g/mL. What is the…

A: Density of the solution is equal to the mass of solution divided by its volume. Write the expression…

Q: A solution is prepared by combining 5.24 grams of an unknown non-electrolyte with 291.0 grams of…

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Q: What is an isotonic solution? Why do some pharmaceutical preparations have to be isotonic? - List 5…

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

Q: Equal masses of acetone (CH3COCH3, molar mass = 58 g/mol and density = 0.79 g/mL) and water (molar…

A: Molality is given by  Molality = moles of solute / mass of solvent in Kg Since molality of acetone…

Q: Use the References to access important values if needed for this question. The common laboratory…

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Q: When 116. mg of a certain molecular compound X are dissolved in 60.0 g of cyclohexane C6H12, the…

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Q: In an experiment analyzing a hand sanitizer at 20 degrees celsius, the density of ethanol,…

A: Here we are required to find the density of an ideal solution containing 62.00% by mass of ethanol…

Q: What mass of glycerin (C3 Hg O3), a nonelectrolyte, must be dissolved in 200.0 g water to give a…

A: Given: Freezing point depression (f) = 0 -(-4.20) = 4.200C Molar mass of glycerine (M2) = 92.094…

Q: A solution is made using 223.8 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: For Methanol : Volume = 223.8 mL Density = 0.7920 g mL-1   For Water :  Volume = 300 mL Density =…

Q: 1 3. 7 8 A student dissolves 13. g of phenol (CH,OH) in 300. mL of a solvent with a density of 0.93…

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Q: A solution is made by dissolving 56.0 g CaCl, in 150.0 g of water. What is the molality (m) of this…

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Q: Estimate the freezing point of an antifreeze mixture made up by combining one volume of ethylene…

A: One volume of the ethylene glycol  V1 = 1 L = 10-3 m3  Two volume of the water  V2 = 2 L = 2 x 10-3…

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

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Q: What volume of ethylene glycol ( C2 H6 O2), a nonelectolyte, must be added to 15.0 L water to…

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Q: 1. 5% (w/v) Sodium hydroxide solution a. molality: _______________ b. molarity: _______________…

A: Here density of the solution is not mentioned in both the cases so assume the density to be same as…

Q: 1, All of the following are colligative properties EXCEPT Group of answer choices Molarity Osmotic…

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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…

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Q: solution is prepared by combining 5.18 grams of an unknown non-electrolyte with 283.0 grams of…

A: Given: Freezing point of pure substance=Tfo=-63.50oCFreezing point of…

Q: A solution is made using 189.4 mL of methanol (density 0.7920 g/mL) and 300.0 mL of water (density…

A: In the question Solution is Methanol in water. Given that,  Volume of methanol is 189.4 mL and…

Q: A student dissolves 12. g of benzoic acid (C,H,0,) in 100. mL of a solvent with a density of 0.88…

A: Molarity of a solution can be defined as the number of moles of solute dissolved per litre of…

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Q: In performing an experiment on freezing point depression, the solution was prepared by dissolving…

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Q: . What is the molecular mass of a substance if 22.5 g dissolved in 250 g of water produces a…

A: The formula for freezing point depression when a solute is added to a solution is : ∆Tf=Kf×m∆Tf→ The…

Q: molar mass

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Q: In separate flasks, you add 0.3 moles of the following solutes (all of which are soluble in water)…

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Q: Vitamin B2, riboflavin, is soluble in water. If 0.833 g of riboflavin is dissolved in 18.1 g H2O,…

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Q: The following test data were obtained for an aqueous solution of calcium chloride. Mass of empty…

A: Given,  The Mass of empty 100-mL graduated cylinder=36.2 g             nn…

Q: A student dissolves 16.g of benzoic acid C7H6O2 in 125.mL of a solvent with a density of…

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Q: A sports drink formulation can be prepared by mixing the ingredients in the quantities shown in the…

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Q: Calculate the Normality of Calcium hydroxide solution containing 6.32g of calcium hydroxide in 5.82L…

A: Given : Mass of calcium hydroxide i.e Ca(OH)2 = 6.32 g And volume of solution = 5.82 L