Calculate the molecular weight of a small protein if a 7.0-g sample of the protein dissolved...
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.
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Calculate the molecular weight of a small protein if a 7.0-g
sample of the protein dissolved...
0.20 grams of a small protein is dissolved in 100.0 mL water. The osmotic pressure of...
0.20 grams of a small protein is dissolved in 100.0 mL water. The osmotic pressure of the solution at 25 degrees Celsius is 0.0129 atm. What is the molecular weight of the protein?
You want to measure the molecular weight of a protein molecule so you measure the osmotic...
You want to measure the molecular weight of a protein molecule so you measure the osmotic pressure of a protein solution you make. If 0,10 g of protein is dissolved in 5.0 ml. of solution, n = 0.05 atm at 25°C. What is the molecular weight of the protein? 820 g/mol Anamn
A 4.75-g sample of an unknown compound is dissolved in enough water to make 100.0 mL...
A 4.75-g sample of an unknown compound is dissolved in enough water to make 100.0 mL of solution. This solution has an osmotic pressure of 25.0 torr at 25oC. Find the molar mass of the unknown.
5. 1.024 g of an unknown molecular solid are dissolved in enough water to produce 200.0...
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...
467. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of...
467. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The osmotic pressure of this solution is measured to be 0.0930 atm at 25.0 °C. Calculate the molar mass of the protein. Be sure your answer has the correct number of significant digits.
Bovine serum albumin (BSA) is a biochemically useful protein. A 0.274 g sample of bovine serum...
Bovine serum albumin (BSA) is a biochemically useful protein. A 0.274 g sample of bovine serum albumin is dissolved in water to make 0.120 L of solution, and the osmotic pressure of the solution at 25 ∘C is found to be 0.853 mbar. Calculate the molecular mass of bovine serum albumin. molecular mass: g/mol
A protein, that is thought to be Dystrphin (0.00100 g) is dissolved in 1.00 mL of...
A protein, that is thought to be Dystrphin (0.00100 g) is dissolved in 1.00 mL of solution. The measured osmotic pressure is 1.12 torr at 25.0°C. (a) Calculate the molar mass of the Dystrphin. (b) Do you think this protein is actually Dystrphin? Explain.
1. The formula for a low molecular weight starch is (C6H10O5)n where n is 200 on...
1. The formula for a low molecular weight starch is (C6H10O5)n where n is 200 on average. If 0.798 g of this starch is dissolved in 100.0 ml of water, what is the osmotic pressure of the solution at 25 oC? 2. A solution was made by dissolving CaCl2 in enough water to prepare 255 mL of solution. The resulting solution exerted an osmotic pressure of 125 torr at 35 oC. What mass of CaCl2 was dissolved in the solution?
3a. Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.482 g dissolved...
3a. Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.482 g dissolved in 223.1 mL of water at 74.75 °C has an osmotic pressure of 54.4 mmHg. R = 0.082058 L⋅atm⋅mol−1⋅K−1. 1.00 atm = 760 mmHg. Report your answer to THREE significant figures. 3b. Calculate the required mass of an unknown nonelectrolyte (ℳ = 131.5599 g/mol) dissolved in 140.1 g of solvent that gives a solution that boils at 36.04 °C. The boiling point of the...
A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the...
A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the resulting osmotic pressure at 305 K was measured at 5.33 x 10-3 atm. What is the molar mass of this protein? 2.57 x 105 g/mol 7.95 x 104 g/mol 3.31 x 104 g/mol 1.14x 105 g/mol 1.47 x 106 g/mol Question 9 1 pts What is the predicted van't Hoff factor for FeBrz?
You want to measure the molecular weight of a protein molecule so you measure the osmotic pressure of a protein solution you make. If 0,10 g of protein is dissolved in 5.0 ml. of solution, n = 0.05 atm at 25°C. What is the molecular weight of the protein? 820 g/mol Anamn
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...
467. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The osmotic pressure of this solution is measured to be 0.0930 atm at 25.0 °C. Calculate the molar mass of the protein. Be sure your answer has the correct number of significant digits.
A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the resulting osmotic pressure at 305 K was measured at 5.33 x 10-3 atm. What is the molar mass of this protein? 2.57 x 105 g/mol 7.95 x 104 g/mol 3.31 x 104 g/mol 1.14x 105 g/mol 1.47 x 106 g/mol Question 9 1 pts What is the predicted van't Hoff factor for FeBrz?
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