A 0.350M solution of Lactose, C12H22O11 in water has a density of 1.0532 g/mL at 22oC. What is the concentration of this solution in the following units? a)Mass percent (b) Mole fraction (c) Molality

Q: What is the concentration of each of the following solutions? (a) The molality of a solution…

A: 11.58 The concentration of an acid solution is defined as the number of moles of acid per litre of…

Q: Propylene glycol, C3H6(OH)2, is sometimes used in automobile antifreeze solutions. If an aqueous…

A: Given: Mole fraction of propylene glycol = 0.10  Assuming 1 mole of solution. The moles of C3H6(OH)2…

Q: What is the osmotic pressure, in atm, of a 0.0020 M sucrose 1C12H22O112 solution at 20.0 °C ?

A: Van't hoff osmotic pressure equation :  Let , for a non-electrolyte solute , solution the…

Q: The molarity of commercial HCl in water is 6.0 M and its density is 1.10g/cm3.   What is the mass…

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

Q: An aqueous solution is 15.2% copper (II) chloride (CuCl2) and has a density1.089 g/mL   (a)  What is…

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Q: If the mole fraction of C*H_{3} * O * H in a solution with only water is 0.0250, what is the…

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Q: Consider the following solutions in water: Solution-1: 0.30 m solution of sucrose, C12H22O11;…

A: Colligative properties are directly proportional to the number of solute molecules or ions present.

Q: 10% (w/w) aqueous potassium iodide has a density of 1.202 g/ml. Which of the following statements is…

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

Q: A solution contains 3.45 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6)   What is the…

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Q: What is the osmotic pressure of a 0.0540 M aqueous sodium sulfate (NaSO4, 14204 g/mol) solution at…

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Q: An aqueous solution has a mass percent of solute of (3.570x10^1)%. The density of the solution is…

A: Since you have mentioned the second question as 4th one so I am going to solve that as per the…

Q: An aqueous solution is 8.50 % ammonium chloride, NH4Cl, by The density of the solution is 1.024…

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Q: (a) Define the following terms:(i) Molarity (ii) Molal elevation constant (Kb) ‘(b) A solution…

A: a. i) ii) Molal elevation constant (Kb) is defined as the elevation of the boiling point of a…

Q: A 20.0% aqueous solution by mass of urea (CH4N2O) has a density of 1.055g/mL. What is the molality…

A: Given information:20% aqueous solution by mass of ureaDensity of solution is 1.055 g/mL

Q: What is the molality of an aqueous solution of urea (CON2H4) that is 12.5% CON2H4 by mass?

A: Molality is the concentration term used to define the concentration of the given solution. It is…

Q: A solution is prepared by dissolving 40.0 g of sucrose, C12H22O11, in 250. g of water at 25°C. What…

A: Given that vapor pressure of water is 23.76 torr and 40 g of sucrose is dissolved in 250 g of water.…

Q: 1. A chemical technician assessed the composition of a liter of seawater and found to contain…

A: Here we are required to find the Molarity and molality of the solution

Q: An aqueous solution has a molality of (4.9300x10^-1) m. The density of the solution is (1.42x10^0)…

A: To calculate mole fraction of solute, we use formula : mole fraction of solute = ( moles of solute /…

Q: 5) The density of a 2.45 M aqueous solution of methanol (CH3OH) is 0.976 g/mL. What is the molality…

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Q: The density of 33.0% (by mass) of an aqueous solution of sodium  hydroxide, NaOH(aq), is 1.3574 g/mL…

A: Answer :            a) Molar concentration  = 11.20 M             b) Molal concentration = 12.31 m…

Q: An aqueous solution of a certain covalent compound has a density of 1.107 g/mL, an osmotic pressure…

A: Given data contains, Density is 1.107 g/mL. Osmotic pressure is 70.75 atm Temperature is 25.0 °C.…

Q: Calculate the molality of a solution that contains 71.5g of benzoic acid, C6H5COOH, in 325 mL of…

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Q: 1) What is the molality concentration of a 20.5% by mass solution of NaCl?   2) What is the mole…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: What is the Osmotic pressure of a 15.0 percent by mass aqueous solution of NaCl with a density of…

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Q: What is the molecular weight of a polymer if 1.52 g are dissolved in enough water to give 752 mL of…

A: Osmoticpressure = CRT15torr = 0.108 atm0.108= 1.52/Mw*1000/752*0.0821*311Mw of polymer = 477.8g/mol…

Q: A 1.263 g1.263 g sample contains only vitamin C (C6H8O6)(C6⁢H8⁢O6) and sucralose…

A: Let the mass of Vitamin C be x then Mass of Sucralose will be (1.263 - x) Molar mass of Vitamin C =…

Q: a 19.805 mM solution of Ba(NO3)2 is 1.061 atm at 25.77 °C. How many ions per formula unit of…

A: T = 25.77°C  T = 25.77 + 273.15 K  T = 298.92 K    And  C = 19.805 mM  [ NOTE : 1mM = 10^-3 M ]  C =…

Q: The osmotic pressure of a solution containing 19.6 mg of an unknown protein in 50.0 mL of solution…

A: Given that,  Osmotic pressure of unknown protein π = 2.68 mmHg = 0.00353 atm Temperature T= 25°C  =…

Q: Calculate the percent by mass, mole fraction of H₂SO4 and molality of an 18.0 Molar solution of…

A: here we are required to find the mass percentage, mole fraction, molality of 18M of H2SO4

Q: A 10.00%-by-mass solution of ethanol, CH3CH2OH, in water has a density of 0.9831 g/mL at 15ºC and…

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Q: Calculate the molality of a solution that contains 51.2 g of naphthalene, C10H8, in 500 mL of carbon…

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Q: A solution is made containing 50.0 g of ethanol (C2H5OH) in 1000 g H2O. Calculate (a) the mole…

A: The mass of ethanol is = 50.0 g The mass of water is = 1000 g The molar mass of ethanol is = 46.07…

Q: A solution with 1.0 mol C2H5OH in 100g of solvent has the same molality as a solution with 1.0 mol…

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Q: A 6.85 g solution of a certain biomolecule in 100.0 g H2O has a density = 1.024 g/mL. Its osmotic…

A: We have to calculate the molar mass of the biomolecule.

Q: A solution is prepared at 20°C and its concentration is expressed in two different units; Molarity…

A: When two or more number of solutes in same or different quantities are dissolved together in a…

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: An aqueous solution is 15.2% copper (II) chloride (CuCl2) and has a density1.089 g/mL   (a)  What is…

A: 15.2% Copper (II) chloride means 15.2 g of copper (II) chloride present in 100 g of the solution.…

Q: Calculate the molality of each of the following solutions:(a) 0.710 kg of sodium carbonate (washing…

A: Molality (m)= number of moles of solute/ Mass of solvent in kg Number of moles = Weight/Molecular…

Q: How many grams and moles of glucose, C6H12O6, should be dissolved in 250 mL of solution to make a…

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Q: An isotonic solution is prepared by dissolving 4.50 g NaCl (molar mass = 58.44 g/mol) in 500. mL of…

A: The relation between the osmotic pressure and Molarity can be expressed mathematically as: Here, π…

Q: 10.00%-by-mass solution of ethanol, CH3CH2OH, in water has a density of 0.9831 g/mL at 15ºC and…

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Q: Assuming ideal solution behavior, what is osmotic pressure of a solution of bovine insulin (molar…

A: Given that ,  Mass of insulin (w) = 0.253 g  Molar mass of insulin (M) = 5700 g/mol Temperature (T)…

Q: Calculate the molality of 12.6 g of ethylene glycol (C2H6O2) in 480 g of water.

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Q: A solution was prepared by dissolving 11.0 g of compound in 270.0 g of ethanol raising the boiling…

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Q: What is the molality of a solution made by dissolving 36.5 g of naphthalene 1C10H82 in 425 g of…

A: The molality of a solution made by dissolving 36.5 g of naphthalene 1C10H82 in 425 g of toluene has…

Q: Calculate the osmotic pressure (in atm) of a solution containing 1.50 g ethylene glycol (C2H6O2) in…

A: Record the given data, The mass of the ethylene glycol is 1.50 g The molar mass of ethylene glycol…