158mg of an unknown protien are dissolved in enough solvent to make 5.00 mL of solution. the osmotic pressure of this solution is measured to be .0431atm at 25 C. calculate the molar mass of the protien

In a laboratory experiment, students synthesized a new compound and found that when 14.61 grams of the compound were dissolved to make 210.0 mL of a ethanol solution, the osmotic pressure generated was 1.91 atm at 298 K. The compound was also found to be nonvolatile and a non-electrolyte. What is the molecular weight they determined for this compound? Molar mass =  g/mol

A sample of 3.929 g of polystyrene was dissolved in toluene and diluted to a total volume of 100.8 mL. The osmotic pressure of this solution at 25.0°C was 44.56 torr. What is the molar mass?

A 0.18-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic pressure is found to be 18.5 torr at 25°C. Calculate the protein's molar mass.

An electrolyte solution with a calculated vant hoff factor of 3 is prepared by dissolving 724.4 g of anunknown in enough water to make 4500 mL of solution. The osmotic pressure of this solution is113.34 atm at 30.0°C. What is the molecular weight of the unknown solute (R = 0.0821 L·atm/K·mol)The density of the solution is 0.80 g/cm³

When 3.25 g of a nonelectrolyte solute is dissolved in water to make 165 mL of solution at 24 °C, the solution exerts an osmotic pressure of 879 torr.What is the molar concentration of the solution? MHow many moles of solute are in the solution? molWhat is the molar mass of the solute? g/mol

1. A 4.0mg sample of a certain protein is dissolved in 20.0mL solution. The solution exhibits an osmotic pressure of 1.18orr at 25°C. Calculate the molecular weight of that protein

7.152g of an unknown solute was dissolved in 0.049883 kg of pure water. This solution has a boiling point of 103.4oC. The Van't Hoff factor of the unknown solute is 3. What is the Molality of the unknown? What is the Molecular weight of the unknown?

A protein subunit from an enzyme is part of a research study and needs to be characterized. A total of 0.170 g of this subunit was dissolved in enough water to produce 2.00 mL of solution. At 28 °C the osmotic pressure produced by the solution was 0.138 atm. What is the molar mass of the protein?

A 15.0 mg sample of a protein was dissolved in water to produce 5.00 mL of solution at 25.1°C. The osmotic pressure of this solution was measured and found to be 6.50 torr. What is the molar mass of this protein?