Pepsin is an enzyme involved in the process of digestion. Its molar mass is about 3.50...
Pepsin is an enzyme involved in the process of digestion. Its molar mass is about 3.50 × 104 g/mol. What is the osmotic pressure in mmHg at 30 °C of a 0.250-g sample of pepsin in 50.0 mL of an aqueous solution?
mmHg
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Pepsin is an enzyme involved in the process of digestion. Its
molar mass is about 3.50...
Practice Exercise 12.25 g of the protein (molar mass = 235,000 g mol What is the...
Practice Exercise 12.25 g of the protein (molar mass = 235,000 g mol What is the osmotic pressure, mm Hq and mm H20, of a protein solution when 4.02 is used to prepare 109.7 mL of an aqueous solution at 8.3 °C? mm H20 The osmotic pressure = mm Hg =
Practice Exercise 12.25 g of the protein (molar mass = 235,000 g mol What is the osmotic pressure, mm Hq and mm H20, of a protein solution when 4.02...
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...
Hemoglobin is a large molecule that carries oxygen in the body. An aqueous solution that contains...
Hemoglobin is a large molecule that carries oxygen in the body. An aqueous solution that contains 2.61 g of hemoglobin in 100.0 mL has an osmotic pressure of 7.52 mmHg at 25°C. What is the molar mass of the hemoglobin? Assume hemoglobin does not dissociate in water. 1.96 x 103 g/mol O 3.65 x 103 g/mol 84.8 g/mol 6.45 x 104 g/mol
What mass of insulin must be dissolved in 36.0 ml of water to produce a solution...
What mass of insulin must be dissolved in 36.0 ml of water to produce a solution with an osmotic pressure of 15.9 mmhg at 25 C? the molar mass of insulin is 5808 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 molar mass of a compound expresses the ratio of mass to moles Part A molar...
The molar mass of a compound expresses the ratio of mass to moles Part A molar mass- _mass in gr tert-Butyl alcohol is a solvent with a Kf of 9.10 °C/m and a freezing point of 25.5 °C. When 0.807 g of an unknown colorless liquid was dissolved in 11.6 g of tert-butyl alcohol, the solution froze at 15.3°C number of moles This quantity can be determined experimentally by accurately measuring the mass of the sample and determining the corresponding...
Enter your answer in the provided box. What mass of insulin must be dissolved in 39.0...
Enter your answer in the provided box. What mass of insulin must be dissolved in 39.0 mL of water to produce a solution with an osmotic pressure of 16.1 mmHg at 25°C? The molar mass of insulin is 5808 g/mol. answer in g.
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...
Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.45 g dissolved in...
Calculate the molar mass (in g/mol) of an unknown 1:1 electrolyte if 0.45 g dissolved in 199.2 mL of water at 49.72 °C has an osmotic pressure of 34.4 mmHg. R = 0.082058 L⋅atm⋅mol−1⋅K−1. 1.00 atm = 760 mmHg. Report your answer to THREE significant figures.
A 188.6 mL sample of an aqueous solution at 25°C contains 80.2 mg of an unknown...
A 188.6 mL sample of an aqueous solution at 25°C contains 80.2 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 8.44 torr, what is the molar mass (in g/mol) of the unknown compound?
Practice Exercise 12.25 g of the protein (molar mass = 235,000 g mol What is the osmotic pressure, mm Hq and mm H20, of a protein solution when 4.02 is used to prepare 109.7 mL of an aqueous solution at 8.3 °C? mm H20 The osmotic pressure = mm Hg =
Practice Exercise 12.25 g of the protein (molar mass = 235,000 g mol What is the osmotic pressure, mm Hq and mm H20, of a protein solution when 4.02...
Hemoglobin is a large molecule that carries oxygen in the body. An aqueous solution that contains 2.61 g of hemoglobin in 100.0 mL has an osmotic pressure of 7.52 mmHg at 25°C. What is the molar mass of the hemoglobin? Assume hemoglobin does not dissociate in water. 1.96 x 103 g/mol O 3.65 x 103 g/mol 84.8 g/mol 6.45 x 104 g/mol
The molar mass of a compound expresses the ratio of mass to moles Part A molar mass- _mass in gr tert-Butyl alcohol is a solvent with a Kf of 9.10 °C/m and a freezing point of 25.5 °C. When 0.807 g of an unknown colorless liquid was dissolved in 11.6 g of tert-butyl alcohol, the solution froze at 15.3°C number of moles This quantity can be determined experimentally by accurately measuring the mass of the sample and determining the corresponding...
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