This question is part one of three. 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 5.92 grams of an unknown non-electrolyte with 240.0 grams of chloroform. The freezing point of the mixture is -64.80 oC, while the freezing point of pure chloroform is -63.50oC. The kf of pure chloroform is 4.68oC/molal. Based on this information, the molality of the solution is:

Q: The boiling point of pure benzene is found to be 80.1°C. A solution of a nonionizing substance is…

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Q: 4 An 18.3 g of an unknown non-ionizing solute is added to 88.8 g of water. If the boiling point of…

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Q: Normal saline is a mixture of NaCl in sterile water. Its concentration is 0.900% (g/mL) and mimics…

A: Molarity and molality are concentration terms which tells about the amount of solute present in the…

Q: A student dissolves 12. g of sucrose (C12H0) in 150. mL of a solvent with a density of 1.06 g/ml.…

A: Weight of sucrose=12g Solvent volume=150mL Density=1.06g/mL

Q: One mole of an electrolyte dissolves in water to form three moles of ions. A 9.21-g quantity of this…

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Q: KCl is 1.61% by mass in 54.6 g of water. Calculate the mass of KCl present in the solution

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Q: A solution of anhydrous dextrose (m.w. 180) contains 25 g in 500 mL of water. Calculate the freezing…

A: Given, mass of anhydrous dextrose = 25 g Volume of water = 500 mL Freezing point of the solution…

Q: A student dissolves 6.6g of phenol C6H5OH in 375.mL of a solvent with a density of 0.82/gmL…

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

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 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: The solute particles will settle out because solutions are homogeneous mixtures. * O True O False

A: the solute particle will settle out because solution are homogenous mixture

Q: A certain ionic compound X has a solubility in water of 83.2 at 15. C. Calculate the greatest mass…

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

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Q: A student dissolves 4.9g of methanol CH3OH in 275.mL of a solvent with a density of 1.06/gmL…

A: Given information: Mass of solute = 4.9 g Volume (V) = 275 mL                      = 0.275 L Density…

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: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: KOH is ionic therefore dissociates into ions

Q: was made by dissolving 479.32 g or aluminum AIC13) in enough water to make 500.0 solution. The…

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Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

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Q: A student dissolves 2.5 g of phenol (C,H,OH) in 350. mL of a solvent with a density of 1.12 g/mL.…

A: Molarity is defined as the number of moles of solute dissolved in one liter of solution Whereas,…

Q: A 12.63 g sample contains only ethylene glycol (C2H6O2) and propylene glycol (C3H8O2). When the…

A: given:  mass of water = 104 g mass of sample = 12.63 g freezing point of solution = -3.40oC we know…

Q: 50.0 mL of a 0.60 M solution of pyridine in ethanol is to be prepared by measuring out a known…

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Q: 2. Combustion of 1.70 g of the compound that has carbon, oxygen and hydrogen yields 1.854 g CO, and…

A: Given, Mass of compound = 1.70 g Mass of CO2 = 1.854 g Mass of H2O = 0.153 g

Q: Colligative properties are those that depend on the number of solute particles. Because electrolytes…

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Q: A student dissolves 1.9 g of styrene (C,H,) in 150. mL of a solvent with a density of 1.02 g/mL. The…

A: Given that,  Weight of styrene  = 1.9 g Molar mass of styrene = 104.15 g/mol Moles of styrene n =…

Q: A carbohydrate contains 40.91% C, 4.58% H, and 54.51% O by mass. A solution of 11.2 g of this…

A: Given:Boiling point of ethanol solution = 78.50oC.Boiling point of ethanol = 78.29oC. The…

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

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Q: What will be the normality of a solution obtained by mixing 0.45 N and 0.60 N NaOH in the ratio 2: 1…

A: Given information: Normality (N1) = 0.45 N Normality (N2) = 0.60 N V1 = 2 V2 = 1

Q: 34.1 % (NH4 )2SO4   (molar mass = 132.1 g mol−1) has a density of 1.15 g mL−1. What is the molarity…

A: Given,  The mass percentage of (NH4)2SO4 = 34.1% The density of a solution = 1.15 g/mL The molarity…

Q: Identify the solutions as saturated or supersaturated. Solubility information is given in the table.…

A: 1. Solubility of sucrose at 0 °C = 179.2 g sucorse /100 g of water = 1.792 g/1 g of water Cone, of…

Q: A student dissolves 17. g of sucrose (C,H„01) in 250. mL of a solvent with a density of 1.04 g/mL.…

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Q: A student dissolves 12. g of phenol (CH OH) in 350. mL of a solvent with a density of 1.12 g/mL. The…

A: given that:  Mass of phenol(solute)= 12.g  Volume of solvent = 350.ml Density = 1.12g/ml Volume does…

Q: A student dissolves 14. g of sucrose (C,H,O,) in 450. mL of a solvent with a density of 0.85 g/mL.…

A: Given-> Weight of sucrose = 14 gm Volume = 450 ml = 0.450 L (1L = 1000 ml) Density = 0.85 g/ml =…

Q: A student dissolves 15. g of ammonia (NH,) in 325. mL of a solvent with a density of 1.09 g/mL. The…

A: Molarity = 1000 x W/(MM x V) Where, W = mass of solute in g, V = volume of solution in mL and MM =…

Q: The freezing point of a 0.10 m solution of mercury(I) nitrate is approximately -0.27 celsius…

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Q: A student dissolves 5.2g of ammonia NH3 in 450.mL of a solvent with a density of 1.05 g/mL. The…

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