Calculate the osmotic pressure of each of the following aqueous solutions at 20.00°C:   20.3  g of CaCl2 in 350.0 mL of solution

Q: Calculate the molality of a solution produced by dissolving 15.2 g of calcium chloride in 345 g of…

A: Definition of Molality: It is defined as number of moles of solute dissolve in 1 kg of solvent .…

Q: Calculate the mass of sucrose, C12H22011 (in g), a non-volatile, non-electrolyte solute in 100 mL of…

A: given, the volume of the aqueous solution = 100mL = 0.100 L molar mass of sucrose = 342.0 g/mol…

Q: Ethylene glycol (C₂H₆O₂) is used as an additive to the water in your automobile to lower its…

A: Given Kf for water is 1.86 °C･kg/mol Freezing point of ethylene glycol  =  -3.60 °C Freezing point…

Q: The concentration of KOH (formula mass = 56.11 g/mol) is 13.23 mM. What is the osmotic pressure of…

A: Colligative properties are those properties which depends on the number of moles of a solute. There…

Q: What is the average molecular weight, MW, of a polymer if 50.0 mL of a solution that contains 1.45 g…

A:

Q: When 1.504 g of a solute is dissolved in 5.012 g of solvent (benzene), the solution freezes at -7.05…

A: Given: Mass of solute = 1.504 g Mass of solvent (Benzene) =5.012 g Freezing point of the solution…

Q: An aqueous solution containing 6.17 g of a certain non-electrolyte has a volume of 530 mL. The…

A:

Q: An aqueous solution of a nonionic (that is, nonelectrolyte) solute has a freezing point of -0.290…

A: Let the molar mass of the solute be x. The molality of the solution can be expressed as follows-

Q: How many moles of solute are in the solution? moles of solute: What is the molar mass of the solute?…

A: Using Osmotic pressure π= CRT   Where,   π= is osmotic pressure =891/760    = 1.17 atm C =…

Q: Thyroxine, an important hormone that controls the rate of metabolism in the body, can be isolated…

A: It is possible to calculate the molar mass of thyroxine from freezing point depression which is…

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: The vapor pressure of water at 20.0 ºC is 17.5 torr. At that temperature, what would be the vapor…

A:

Q: The lattice enthalpy of magnesium iodide, MgI2, is -2505 kJ/mol and it's enthalpy of solution is…

A: Given:  Lattice enthalpy, L =  -2505kJ/mol Enthalpy of solution = -213.3 kJ /mol

Q: What mass of insulin must be dissolved in 43.0 mL of water to produce a solution with an osmotic…

A: Given, Osmotic pressure (π) = 13.7 mmHg = 0.018 atm Volume (V) = 43.0 mL = 0.043 L Temperature (T) =…

Q: A solution containing 26.70 mg of an unknown protein per 21.5 mL of solution was found to have an…

A: Given, Mass of an unknown protein = 26.70 mg = 0.0267 g Volume of the solution (V) = 21.5 mL =…

Q: Calculate the osmotic pressure of a 0.0500M MgSO4 solution at 25°C

A: Concentration = C = 0.0500 M Temperature = T = 25'C = (25+273) K = 298 K For MgSO4 , vant hoff…

Q: compounds

A: The question is based on the concept of solutions. it applies the principle of raoult's law of…

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

A: Molality of a solution is calculated by dividing the number of moles of solute by per kilogram of…

Q: You have a 10.40-g mixture of table sugar (C 12H 22O 11) and table salt (NaCl). When this mixture is…

A: Given mass of mixture = 10.40 g Mass of water = 150 g Freezing point = -2.24°C some standard values…

Q: If 57.22 mg of Na2SO4 (formula mass = 142.02 g/mol) is dissolved in 36.64 mL. What is the osmotic…

A: Given  Data 57.22 ng Na2So4 and M.W =142.02 g/mole  Volume = 36.46 ml =0.03646 litre T = 29.21…

Q: At 25.0 °C, 100.0 mL of an aqueous solution containing 45.2 mg of a molecular solute has an osmotic…

A: we will use osmotic pressure formula

Q: Calculate the molar mass of the compound.

A:

Q: The Tf of camphor is 179.80°C and it’s kf is 39.7°C/m. When 200.0 mg of a compound (X) are added to…

A: Given Information-  Tf of camphor = 179.80oC kf = 39.7oC/m mass of compound (X) = 20.00 mg = =…