first write the osmatic pressure formula and then calculate the molar mass as follows
A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the...
5. 1.024 g of an unknown molecular solid are dissolved in enough water to produce 200.0 mL of solution. The osmotic pressure at 25C is 278.0 torr. What is the molar mass of the solid? 6a. Calculate the van't Hoff factor of a 0.085M potassium sulfate solution that has an osmotic pressure of 5.4atm at 25C 5. 1.024 g of an unknown molecular solid are dissolved in enough water to produce 200.0 ml. of solution. The osmotic pressure at 25...
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
A 0.350-g sample pf an acid, HX, is dissolved in 25.00 mL of water. The resulting solution is titrated with 0.140 M NaOH solution, and 25.40 mL of the base solution is required to neutralize the acid. Calculate the molar mass of the acid.
0.0140 grams of Cr(NH3)sCls was dissolved in 25.00 mL of water to give an osmotic pressure of 128.28 mmHg at 298.0 K. How many ions were produced per molecule? Note: R - 0.0806 L atm/mol K, MM Cr(NHs)Clh 243.5 g/mol alculate the osmotic pressure as if Cr(NH3)sCls did not ionize then use the relationship t: C true vapor pressure nonionized vapor 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
When 2.48 g of a nonelectrolyte solute is dissolved in water to make 105 mL of solution at 27 C, the solution exerts an osmotic pressure of 845 torr. What is the molar concentration of the solution? Number How many moles of solute are in the solution? Number mol What is the molar mass of the solute? Number g/ mol
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.) 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...
Calculate the molecular weight of a small protein if a 7.0-g sample of the protein dissolved in enough water to make 7.00 x 10 2 mL of solution has an osmotic pressure of 3.8 mmHg at 25.0°C.
When 4.57 g of a nonelectrolyte solute is dissolved in water to make 835 mL of solution at 23 °C, the solution exerts an osmotic pressure of 869 torr. What is the molar concentration of the solution? concentration: How many moles of solute are in the solution? moles of solute: mol What is the molar mass of the solute? molar mass: g/mol