What mass (g) of sodium nitrate must be added to 500 ml of water to prepare a solution that is 0.0512 m in sodium nitrate? What is the mole fraction of sodium nitrate in the solution

Q: When 2.03 g of a nonelectrolyte solute is dissolved in water to make 595 mL of solution at 23 °C,…

A: Given mass of non-electrolyte solute is 2.03 g  Volume of solution is 595 mL  Given osmotic pressure…

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: If 1.25 moles of NaOH is dissolved in 180g of water, what is the molality of the solution?

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Q: Why does the concept of colligative properties apply only to dilute solutions?

A: Solution is made up of two components: solute and solvent. Component which is present in major…

Q: A certain solution of concentrated aqueous ammonia contains 1.10 mol NH3dissolved in 2.37 mol H2O.…

A: Given: Moles of NH3 = 1.1 And moles of  H2O = 2.37

Q: The vapor pressure of an aqueous solution is found to be 19.4 mmHg at 25 °C. What is the mole…

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

A: Given information, mass of unknown molecular (nonelectrolyte) compound is 17.5 g mass of water is…

Q: A solution contains 22.5 g of methanol, CH3OH , dissolved in sufficient water to give a total mass…

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Q: The vapor above a mixture of pentane and hexane at room temperature contains 35.5% pentane by mass.…

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Q: Calculate the molality of a sulfuric acid solution containing 24.4 g of sulfuric acid in 198 g of…

A: Generally, solution is made up of solute and solvent. The which is present in large amount is known…

Q: Calculate the mole fraction of MgC l 2 in a solution createdby dissolving 132.1 g of MgC l 2 in 175…

A: The given data contains, mass of MgCl2 = 132.1 g. Volume of water = 175 ml.= 0.175 L.

Q: Explain dynamic equilibrium with respect to solution formation. What is a saturated solution? An…

A: The dynamic equilibrium with respect to solution formation is to be explained. A saturated solution,…

Q: What is the mole fractions of hydrochloric acid (HCI)and water in a 20% aqueous HCI solution?

A: Solution You know that your resolution is two hundredth acid by mass, which suggests that each one…

Q: The mole fraction of sodium iodide, NaI, in an aqueous solution is 0.0882. %. The percent by mass of…

A: First the given data  mole fraction of sodium iodide, NaI =0.0882 Solution are aqueous  Find % by…

Q: %. The percent by mass of potassium acetate in the solution is

A: percent by mass of potassium acetate = (mass of potassium acetate/mass of solution) × 100%

Q: A 250-ml bottle of sports drink solution contain 4.50% by mass of sodium chloride. What is the molal…

A: Given:  Mass percentage of sodium chloride solution= 4.5 %  Volume of bottle solution= 250 ml…

Q: A solution has a molality of 2.10m where the moles of the solute is 0.7 moles. What is the mass of…

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Q: What are colligative properties? What is osmotic pressure?

A: The question talks about the concept of solutions. a solution is a homogeneous mixture having no…

Q: An aqueous solution is 3.50 % by mass potassium bromide, KBr, and has a density of 1.02 g/mL. The…

A: % By mass = 100 x Mass of solute/Mass of solutionNumber of mol = Mass/molar massMole fraction of…

Q: Grams of TyR in 33.0 g of solution that has 25% TyR by mass

A: Percentage by mass of the solute in the mixture can be expressed as the ratio of mass of solute to…

Q: Sodium hydroxide is a common ingredient in drain cleaners such as Drano. The mole fraction of sodium…

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Q: How many grams of ammonium chloride must be added to 150 mL of water to make a saturated solution at…

A: Solubility of the solute in the given solution is the maximum amount of solute that can be dissolved…

Q: 18.1 g of lithium nitride are dissolved in 2.223 L of waterWhat is the freezing point of this…

A: ∆Tf= Depression in freezing point  Tof= freezing point of pure water = 273.15KTsf= freezing point of…

Q: If an aqueous solution is very dilute, will its molality be greater than its polarity, nearly the…

A: If an aqueous solution is very dilute, will its molality be Greater than its polarity, Nearly the…

Q: Compute the % mass of a solution containing 5 g sodium chloride in 150 g solution? What is the…

A: Solution-

Q: What is the molality of nitric acid in a concentrated solution of nitric acid (68.0% HNO3 by mass)?…

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Q: What is the molality of an aqueous solution of sucrose that is 12.5% sucrose by mass?

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Q: 0.6244 g of an unknown non-electrolyte is dissolved in enough water to make 200.0 mL of solution at…

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Q: molar mass

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Q: A solution is prepared by dissolving 215 g of methanol, CH3OH, in 1000 mL of water. What is the…

A: Given: Mass of methanol i.e. CH3OH = 215 g And volume of water = 1000 mL Since density of water = 1…

Q: when 7.94 g of xylene was added to 132.5 g of cyclohexane, the freezing point of the solution was…

A: In this question we used data of, Freezing point of cyclohexane= 6.50℃ Kf of cyclohexane= 20.0 ℃

Q: A solution containing ethylene glycol and water has a vapor pressure of 7.88 torr at 10 °C. Pure…

A: According to the Raoult’s Law: where P˚solvent = partial pressure of the solvent, Psolution is the…

Q: What is the mole fraction of 21% by mass of glucose (180 MM) aqueous solution?

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Q: Calculate the molality of a sulfuric acid solution containing acid is 98.09 g. Molality = Moles…

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