The percent by mass of acetonitrile (MM = 41.05 g/mol) in an aqueous solution is 27.1%. What is the molality of the acetonitrile solution?

Q: Calculate the molality of each of the following aqueous solutions: (a) 2.55 M NaCl solution (density…

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Q: The percent by mass of ethanol (MM = 46.07 g/mol) in an aqueous solution is 16.9%. What is the…

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Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 22.3%. What is the…

A: The molality of a given solution can be defined as the number of moles of the solute that are…

Q: Calculate the molality of a 1.76M aqueous solution. The solute has a molar mass of 120.5g/mol, and…

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Q: You want to prepare an aqueous solution of ethylene glycol, in which the mole fraction of solute is…

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Q: A solution of density 0.903 g/mL has a molality of 1.74 molal of an organic compound (molar mass…

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Q: what is the molality of the bleach? what is the mole fraction of NaOCl in the bleach

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Q: A 1.94 L1.94 L aqueous solution of KOHKOH contains 187 g187 g of KOHKOH. The solution has a density…

A: Given:Volume of solution = 1.94LDensity of solution = 1.29 g/mlGiven Mass of KOH = 187g

Q: The percent by mass of glucose (MM = 180.2 g/mol) in an aqueous solution is 25.7%. What is the…

A: The mass percent of glucose is = 25.7 % The molar mass of glucose is = 180.2 g/mol The morality of…

Q: Define molarity and molality and calculate the molarity and molality of the following solutions…

A: Molarity (M)The total number of moles of dissolved solute in per litre of solution is expressed as…

Q: aqueous solution is 21.9%. What is the molality of the ethanol solution?

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Q: The mole fraction of ethylene glycol (MM=62.07 g/mol) in an aqueous solution is 0.24. The density of…

A: Given:Mole fraction (X) of ethylene glycol = 0.24Density of the solution = 1.06 g/mLMolar mass of…

Q: The percent by mass of ethylene glycolr (MM = 58.08 g/mol) in an aqueous solution is 10.42% and the…

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Q: An aqueous solution contains 17.5 g of an unknown molecular compound in 100.0 g of water and has a…

A: Given : aqueous solution of compound (means solvent is water). Mass of solute = 17.5 g Freezing…

Q: The percent by mass of ethanol (MM = 46.07 g/mol) in an aqueous solution is 23.7%. What is the…

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Q: A solution is made by dissolving 8.08 grams of a compound with molar mass 55  in 300 grams of water.…

A: Colligative properties: The colligative properties are those properties of solutions that depend on…

Q: What is the density of a potassium chloride solution if its molarity is 0.5M and its molality is…

A: Given : Molarity = 0.5 M  Molality = 0.9 m

Q: Suppose that 98.0g of a nonelectrolye are dissolved in 1.0 kg of water. The freezing point of this…

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Q: Calculate the molarity and molality of an NH3 solution made up of 25.0 g of NH3 in 55.0 g of water.…

A: Answers are explained below. Calculation for the molarity of the solution is as follows:

Q: The percent by mass of acetone (MM = 58.08 g/mol) in an aqueous solution is 34.7%. What is the…

A: Given, Molar mass of the acetone = 58.08 g/mol Percent by mass of acetone in an aqueous solution =…

Q: An aqueous solution containing 36.8 g of an unknown molecular (non-electrolyte) compound in 154.2 g…

A: The colligative properties are those properties of solutions that depend on the number of solute…

Q: Chloroform, CHCL3, is a common solvent in organic chemistry. A solution is prepared by dissolving…

A: we have to calculate  molality of solution  boiling point of solution

Q: The percent by mass of methanol (MM = 32.04 g/mol) in an aqueous solution is 92.9%. What is the…

A: 1) Percentage by mass=92.9% 2) Molecular weight of methanol (MM=32.04 g/mol)

Q: Calculate the following concentrations for a solution of 0.800 g of calcium chloride, Cacl2, in…

A: Weight of CaCl2 = 0.800g Weight of water = 100g Density of solution = 1 g/ml So,  Molarity = n/V(l)…

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: What is the Molarity of a solution if the molality is 1.11 m, the density of the solution is 1,149…

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Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.435…

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Q: Which statement below best explains why the lowering of the vapor pressure by a nonvolatile solute…

A: The lowering of the vapor pressure by a nonvolatile solute can be discussed,

Q: f you have 6.5 g of sodium chloride (MM = 58.44 g mol-1 ) dissolved in 250 mL of solution, what is…

A: Molarity is defined as the ratio of the number of moles of solute to the volume of the solution in…

Q: An aqueous solution of hydrochloric acid contains 28% HCl (36.45 g/mol) by mass. What is the molal…

A: The mass of solute in gram present in 100 g solution is known as the mass percent concentration of a…

Q: Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.900 g/mL What is…

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Q: An aqueous solution is 1.00% by mass ethanol, CH₂CH₂OH, and has a density of 0.996 g/mL. The…

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Q: An aqueous solution of isopropyl alcohol, C3H8O, rubbing alcohol, has a mole fraction of alcohol…

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Q: The percent by mass of ethanol (MM=46.07g/mol) in an aqueous solution is 12.3%. What is the molality…

A: given,  Mass % = 12.3 % Molar mass of Ethanol = 46.07 g/mol Molality of ethanol solution = ?