A 214 mL solution containing 23 g of a protein in toluene had an osmotic pressure...
A 214 mL solution containing 23 g of a protein in toluene had an osmotic pressure of 0.053 atm at 27 oC. What is the molar mass (in g/mol) of the protein? Only enter a numerical value rounded to the nearest whole number in the answer box below. Do NOT type in the unit (g/mol).
2) An NaCl solution is prepared by dissolving 20.0 g NaCl in 150.0 g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 23.56 torr?
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A 214 mL solution containing 23 g of a protein in toluene had an
osmotic pressure...
A) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL...
A) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL of solution at 22 ∘C . The molar mass of hemoglobin is 6.5×104 g/mol. B) A 2.400×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.4 mL . The density...
An NaCl solution is prepared by dissolving 20.0 g NaCl in 150.0 g of water at...
An NaCl solution is prepared by dissolving 20.0 g NaCl in 150.0 g of water at 25°C. What is the vapor pressure of the solution if the vapor pressure of water at 25°C is 0.031 atm?
A.) A protein solution containing 70.0 mg of the protein (dissolved in water) displays an osmotic...
A.) A protein solution containing 70.0 mg of the protein (dissolved in water) displays an osmotic pressure of 319.88 Pa at 310.15 K. If the volume of the protein solution is 22.0 mL, what is the molar mass of the protein? B.)What is the boiling point (in °C) of a solution of 8.16 g of I2 in 57.5 g of toluene, assuming the I2 is nonvolatile? (For toluene, Tb = 110.63°C and Kb = 3.40°C·kg/mol.) C.)What is the freezing point...
A protein solution containing 90.0 mg of the protein (dissolved in water) displays an osmotic pressure...
A protein solution containing 90.0 mg of the protein (dissolved in water) displays an osmotic pressure of 319.88 Pa at 310.15 K. If the volume of the protein solution is 13.0 mL, what is the molar mass of the protein? g/mol
1) calculate the osmotic pressure,in atm, of a solution containing 3.00mg of sugar (342g/mol) in 15.0...
1) calculate the osmotic pressure,in atm, of a solution containing 3.00mg of sugar (342g/mol) in 15.0 mL of water at 25C. 2) if a substance has a vapor pressure of 120.0 torr at 20C and vapor pressure of 143.7 torr at 30C , calculate it's enthalpy of vaporization in appropriate units.
The osmotic pressure of a solution containing 22.7 mg of an unknown protein in 50.0 mL...
The osmotic pressure of a solution containing 22.7 mg of an unknown protein in 50.0 mL of solution is 2.88 mm Hg at 25.0°C. Determine the molar mass of the protein. Select one: O a. 3.85 x 10 g/mol O b.3.85 g/mol O c. 2.46 x 10 g/mol O d. 1.47 x 10 g/mol e. 2.93 x 109 g/mol
A 266−mL sample of a sugar solution containing 1.24 g of the sugar has an osmotic...
A 266−mL sample of a sugar solution containing 1.24 g of the sugar has an osmotic pressure of 30.2 mmHg at 34.1°C. What is the molar mass of the sugar? __ g/mol Calculate the osmotic pressure of a 0.0493 M FeCl3 solution at 25°C. (The van't Hoff factor for FeCl3 is 3.04) __ atm
The osmotic pressure of an aqueous solution of a certain protein was measured in order to...
The osmotic pressure of an aqueous solution of a certain protein was measured in order to determine the protein’s molar mass. The solution contained 3.50-g of protein dissolved in sufficient water to form 5.00-L of solution. The osmotic pressure of the solution at 25oC was found to be 1.54-mmHg. (Hint: Remember to convert mmHg to atm) Calculate the molar mass of the protein.
A protein solution containing 80.0 mg of the protein (dissolved in water) displays an osmotic pressure...
A protein solution containing 80.0 mg of the protein (dissolved in water) displays an osmotic pressure of 319.88 Pa at 310.15 K. If the volume of the protein solution is 16.0 mL, what is the molar mass of the protein
A protein solution containing 90.0 mg of the protein (dissolved in water) displays an osmotic pressure...
A protein solution containing 90.0 mg of the protein (dissolved in water) displays an osmotic pressure of 319.88 Pa at 310.15 K. If the volume of the protein solution is 18.0 mL, what is the molar mass of the protein?
The osmotic pressure of a solution containing 22.7 mg of an unknown protein in 50.0 mL of solution is 2.88 mm Hg at 25.0°C. Determine the molar mass of the protein. Select one: O a. 3.85 x 10 g/mol O b.3.85 g/mol O c. 2.46 x 10 g/mol O d. 1.47 x 10 g/mol e. 2.93 x 109 g/mol
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