A solution contains 8.92 g of KBr in 500.0 mL of solution and has an osmotic pressure of 6.97 atm at 25 °C. Calculate the van't Hoff factor (i) for KBr at this concentration.

Q: lase. g/mol

A: Molarity of solution is defined as number of moles of solute dissolved per liter of 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: An aqueous solution of 13.50 g of catalase, an enzyme found in the liver, has a volume of 1.00 L at…

A: Since the osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor = 1…

Q: What is the molality of a solution made by dissolving 12.3 grams of LiCl in 380 grams of water?…

A: Given: Mass of LiCl = 12.3 g. And mass of water i.e. solvent = 380 g = 0.380 Kg…

Q: Consider two glucose-in-water solutions. 1 g of glucose in 100 mL water equals one solution. The…

A: We know that : osmotic pressure (π) = CRT  This means osmotic pressure is directly proportional to…

Q: molar mass

A:

Q: 117.9 g of non-volatile ethylene glycol (62.07 g mol-¹) is added to 314 g of water at room…

A:

Q: A 3.4*10^ -2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

A:

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: the density of acitonitrile is 0.786g/ml and the density of methanol is 0.791g/ml. a solution is…

A: Density of a solution is related to it mass (g) and volume (ml)density = mass/volume

Q: 9. Determine the osmotic pressure of a solution that contains 0.021 g of a hydrocarbon solute (molar…

A: To find the osmotic pressure exerted by a hydrocarbon dissolved in benzene. Mass of hydrocarbon =…

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

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Q: Calculate the molality of a solution formed by adding 6.832 g of methanol (CH3OH) to 100.00 mL of…

A: Molality is defined as number of moles of solute dissolved per kilogram of solvent.

Q: Calculate the molality of a solution that contains 81.2 g of naphthalene, C10H8 , in 500. mL of…

A: given, the mass of naphthalene = 81.2g the volume of carbon tetrachloride = 500. mL the density of…

Q: A 51.9 mg sample of alpetin is dissolved in 75.0 mL of water. The osmotic pressure of the solution…

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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: Calculate the molar concentration of sodium chloride (molarity) of a solution containing sodium…

A: We use the equation for osmotic pressure,  π = iCRT Where ,  π is osmotic pressure = 15kPa =15000Pa…

Q: A 276 mL aqueous solution containing 0.400 g of an unknown polymer has an osmotic pressure of 26.9…

A: The osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor = number of…

Q: A 3.4×10-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

A: Osmotic Pressure: It is defined as the pressure that is applied to the solution side in order to…

Q: The boiling point of a solution of 2.056 moles of an electrolyte dissolved in 1399 g of benzene is…

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Q: A student dissolves 3.4 g of biphenyl (C₁2H10) in 375. mL of a solvent with a density of 0.85 g/mL.…

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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 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: calculate the molar mass of the unknown compound.

A: Formula :-  π = CRT  where π is osmotic pressure  C is the molar concentration  R is the gas…

Q: A 0.2141 g sample of a nonelectrolyte is dissolved in enough water to make 225.0 mL of solution. The…

A: Here, we find the molar mass by the help of the formula of osmotic pressure. In place of…

Q: An aqueous solution containing 6.62 g of a certain non-electrolyte has a volume of 620 mL. The…

A: The osmotic pressure is observed in solution where flow of solute occurs. In osmosis a…

Q: A 4.7 x 10^-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

A: Q. Given the protein samplehere in this question we have to calculate the molar mass of the protein…

Q: How many moles of non-volatile solute must be added to 265.3 mL of solvent in order to lower the…

A:

Q: 25. Calculate the osmotic pressure of a solution containing 18.30 mg of ZnO in 15.1 mL of solution…

A: Given data:Volume of solution = 15.1 mLMass of ZnO = 18.30 mgTemperature = 26oC = 299.15 KMolar mass…

Q: A 0.100 M ionic solution has an osmotic pressure of 8.3 atm at 25 °C. Calculate the van’t Hoff…

A: Given here, a 0.20 M solution of MgSO4 (M) has an observed osmotic pressure of 8.3 atm at 25°C. We…

Q: Suppose you have 1.7 g NaCl in 100.0 g of water. Calculate the molality based on the molar mass.…

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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: 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: 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: Calculate the molar mass of the compound.

A: