The mole fraction of NaCl in an aqueous solution of NaCl is 0.23. What is the molality of the solution?

Q: Determine the molal concentration of a sugar solution in water that has a freezing point of –2.1°C.…

A: Given information,    Freezing point = –2.1°C    Value of Kf = 1.86°C/m for water

Q: An aqueous solution is 26.9 % lithium chloride, LiCl, by mass. The density of the solution is 1.127…

A: Assuming we have 100 g of solution Since % by mass is defined as  % by mass = mass of solute X 100 /…

Q: The molality of a KMNO4 solution is 0.933 at 25°C. What is the mole fraction of potassium…

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Q: The normal boiling point of diethyl ether is 34.58C. A solution containing a nonvolatile solute…

A: The normal boiling point of diethyl ether is 34.58 °C. A solution containing a non-volatile solute…

Q: Calculate the molality of a 0.410 molar aqueous glucose solution whose density is 1.15 g/mol

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Q: 6. The molality of an aqueous solution of sugar (CHO:1) is 1.75m. Calculate the mole fractions of…

A: mole fraction represent the ratio of mole of one substance to the mole of total substance. It is a…

Q: The vapor pressure of benzene, C6H6, is 94.6 Torr at 25 °C. A nonvolatile compound was added to…

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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: Can you calculate the percent composition by mass of a solution given only the molality of the…

A: Molarity is defined as number of moles of solute dissolved per litre of solution.

Q: alculate the molality of a 0.898 M ethanol (C2H5OHC2H5OH) solution whose density is 0.429 g/ml.

A: Molality(m):It is defined as number of mole of solute dissolved in per  kilogram of solvent.…

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

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Q: Perchloric acid (HClO4, MW = 100.458) is commercially available as a 72.5% solution with a density…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: The vapor pressure of ethanol is 58.7 torr at 25 °C. Determine the vapor-pressure lowering, ΔP, of…

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Q: What is the difference between a solution and a colloidal suspension? Give examples of each, and…

A: There are various differences between a solution and a colloidal suspension and due to the below…

Q: What is the molality of a solution with 94.3 g of glucose (molar mass 180.16 g/mol) in 236 g of…

A: The number of moles of a substance is given as the mass of the substance upon its molar mass. The…

Q: What is the molality of a 10% w/w NaCl solution?

A: Molality is defined as number of moles of solute divide by mass of solvent in kilograms

Q: Determine the molality of a 5.001 wt % aqueous solution of LICl.

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Q: Determine the molality of a solution prepared by dissolving 0.500 moles Bal2 in 11.5 moles H2O

A: Since we know that molality is calculated as  Molality = number of mole of solute / mass of solvent…

Q: What is the molality of a 24.4% (by mass) aqueous solution of phosphoric acid?

A: Given, % by mass of aqueous solution of phosphoric acid (H3PO4) = 24.4 %   This means that 100 g of…

Q: In order to calculate the molality of a solution from its molarity, what other information would be…

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Q: A nonvolatile solute is dissolved in benzene and the resulting solution has a vapor pressure of 20.7…

A: Given information,           The vapor pressure of the resulting solution is 20.7 torr.…

Q: What is the effect on the vapor pressure of a solution with particularly strong solute-solvent…

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Q: What is the mole fraction of methanol in this solution?

A: The temperature point at which the vapor pressure of a solution becomes exactly equal to the…

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: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. a)…

A: Molality: The number of moles of the solute dissolved in one kilogram of the solution is known as…

Q: The mole fraction of copper (II) nitrate in an aqueous copper (II) nitrate solution solution is…

A: The aqueous copper (II) nitrate solution has water and copper (II) nitrate with it. The number of…

Q: What is the molal concentration of C10H8 in a solution made by dissolving 0.127 g C10H8 in 9.132 g…

A: In the given question, we are required to determine the molal concentration of C10H8 in a solution…

Q: Calculate the molarity of a 5%vinegar solution. Calculate the molality of a 5%vinegar solution.…

A: Given 5% vinegar solution  Calculate  molarity  and  mole fraction of vinegar

Q: Sodium hydroxide is available commercially as 50.0% by weight aqueous solution. Calculate the…

A: The number of moles for a given chemical species refers to the ratio of mass of the species to that…

Q: How many grams of NaOH is required to prepare 20L of 0.75N solution? What is its molarity, molality,…

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Q: The molality of potassium bromide, KBr, in an aqueous solution is 2.62 mol/kg. What is the mole…

A: 2.62 moles of KBr are present in 1000 g of water. The number of moles of water can be calculated as…

Q: A nonvolatile solute is dissolved in benzene and the resulting solution has a vapor pressure of 18.1…

A: Given           The vapor pressure of the resulting solution = 18.1 torr.           The vapor…

Q: You have a solution of 10.0 g of sucrose in 100.0 of water. Calculate the molality based on the…

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Q: 0.02 molal solution of potassium iodide freezes at -0.25OC. What is the percentage dissociation?

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Q: Calculate the molality of a sucrose solution made by dissolving 26.8 grams sucrose into 93.6 grams…

A: Molality(m). It is defined as number of moles of solute dissolved in per kilogram of solvent.

Q: If the mole fraction of water in NaCl aqueous solution is 0.75, calculate the molality of NaCl in…

A: Answer: Molality of a solute in a solution is the ratio of its number of moles with the mass of…

Q: The concentrated sulfuric acid that we use in the laboratory is 98.0% H SO, by mass. Calculate the…

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Q: Calculate the molal concentration of a solution that contains 18 g of sodium hydroxide (NaOH) in 100…

A: Molal concentration =moles of solutemass of solvent = mass of solutemolar mass of solute x mass of…

Q: What is the molality of HCl in an aqueous solution in which the mole fraction of HCl is 0.220

A: Sum of Mole fraction of all components in solution = 1 In the solution, only 2 compounds are present…

Q: Determine the molality of a 6.930 wt % aqueous solution of LiCl

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Q: How can we calculate the Vapor Pressure of a Solution Containing an Ionic Solute?

A: The pressure imposed between a vapor and its solid or liquid phase in a closed system at particular…

Q: The molality of a potassium fluoride solution is 3.75. Calculate the mole fraction of potassium…

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Q: The molality of an aqueous solution of LiBr is 2.3 m. What is the mole fraction of the compound LiBr…

A: We have an aqueous solution of LiBr. molality (m) of an aqueous solution of LiBr = 2.3 molal molar…

Q: Calculate the molality of a 6.39 M ethanol (C,H5OH) solution whose density is 0.9261 g

A: Molarity of ethanol = 6.39 M. 6.39 M solution means 6.39 moles of ethanol in 1 L of solution. Volume…

Q: A 10.00% by mass solution of ethanol (C2H5OH), in water has a density of 0.9831 g/mL at 15 celsius…

A: We have Molarity = Moles of solute/Volume of solution (L) We know that, moles= mass/molar mass And…