Osmotic Pressure is a sensitive technique used to find the length of a polymer chain via...
Osmotic Pressure is a sensitive technique used to find the length of a polymer chain via the determination of its Molar Mass. If a 322.0 mg sample of PVC (polyvinyl chloride) is dissolved in 250.0 mL total solution at 30.00 C, its osmotic pressure is 5.268 mm Hg. What is the Molar mass of the PVC?
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Osmotic Pressure is a sensitive technique used to find the
length of a polymer chain via...
A 249−mL benzene solution containing 2.35 g of an organic polymer has an osmotic pressure of...
A 249−mL benzene solution containing 2.35 g of an organic polymer has an osmotic pressure of 7.91 mm Hg at 19°C. Calculate the molar mass of the polymer.
A 279−mL benzene solution containing 2.79 g of an organic polymer has an osmotic pressure of...
A 279−mL benzene solution containing 2.79 g of an organic polymer has an osmotic pressure of 8.19 mm Hg at 11°C. Calculate the molar mass of the polymer.
The osmotic pressure exerted by a 0.487-g sample of the polymer polystyrene in 41.06 mL of...
The osmotic pressure exerted by a 0.487-g sample of the polymer polystyrene in 41.06 mL of benzene at 25 °C is capable of supporting a column of solution (d = 0.88 g/mL) 5.9 mm in height. What is the molar mass of the polystyrene? Report the answer in kiloDaltons (abbreviated kD or kDa), but without units, to the nearest integer kD. 1kD = 1000 g/mol.
Polyethylene is a synthetic polymer or plastic with many uses. 1.44 g of a polyethylene sample...
Polyethylene is a synthetic polymer or plastic with many uses. 1.44 g of a polyethylene sample was dissolved in enough benzene to make 100. mL of solution, and the osmotic pressure was found to be 1.86 torr at 25oC. What is the approximate molar mass of the polyethylene?
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?
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
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...
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
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of...
6. ) A sample of methane gas, CH4, at 322.0 degrees celcius and a pressure of 662 mmHg had a volume of 36.4 L. What would be the volume of the gas at STP 7.) The CO2 gas that was evolved during the fermentation of sugar was collected. After purification its volume was measured as 25.0 L at 22.5 Celcius and 702 mm Hg. How many moles of the CO2 gas were collected ? 8.) Commercially, compressed oxygen is sold...
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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