Arginine vasopressin is a pituitary hormone. It helps regulate the amount of water in the blood by reducing the flow of urine from the kidneys. An aqueous solution containing 21.8 mg of vasopressin in 100.0 mL of solution has an osmotic pressure at 25°C of 3.71 mmHg. What is the molecular weight of the hormone?

Q: A 15.1 m solution of HCl (molar mass = 36.46 g/mol) has a density of 1.18 g/mL. What is the osmotic…

A:

Q: For a general chemistry 2 lab, an aqueous solution of a soluble compound (a nonelectrolyte) is…

A: 34.7 g of a compound is dissolved in sufficient water to form 0.267 L of solution. The solution…

Q: Molecular weight = W amu

A: mass of vasopression = 20.8 mg volume of solution = 100 mL osmotic pressure = 3.55 mm Hg T= 298 K To…

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.241 atm at…

A: Molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: Consider two glucose-in-water solutions. 1 g of glucose in 100 mL water equals one solution. The…

A: We know that : osmotic pressure (π) = CRT  This means osmotic pressure is directly proportional to…

Q: Throat Lozenges A 178-mg sample of a nonelectrolyte isolated from throat lozenges was dissolved in…

A: Given 178-mg sample of a nonelectrolyte dissolved in enough water to make 9.0 mL of solution at…

Q: An unknown compound (27.40 mg) with antibiotic properties was dissolved in water to make a 100.0 mL…

A: Osmotic pressure is a colligative property π=Osmotic pressure  π= CRT C= molar concertation R=…

Q: What is the osmotic pressure, in atm, of 2.2 L of an aqueous solution that contains 266 g of calcium…

A:

Q: A 0.500-g sample of a compound is dissolved in enough water to form 100.0 mL of solution. This…

A: Since the osmotic pressure is given by  Osmotic pressure = i CRT where i = Van't Hoff factor =…

Q: What mass of glucose (C6H12O6, molar mass = 180.2 g/mol) is needed to prepare 2.25 L of solution for…

A: Mass of glucose (C6H12O6) needed = m =?  (C6H12O6, molar mass = M = 180.2 g/mol) Volume of solution…

Q: bo what is the freezing point of the solution? (Assume that the molarity and molality are the same…

A: Please find your solution below : Colligative properties are the properties of solutions that depend…

Q: When 2.63 g of a polypeptide is dissolved in 439 mL of water, the resulting solution is found to…

A:

Q: When 2.63 g of a polypeptide is dissolved in 445 mL of water, the resulting solution is found to…

A: Equation for Osmotic pressure: π = i * M * R * T where,  π = Osmotic pressure = 0.125 atm i = van't…

Q: A solution is made by dissolving 0.0475 kg of biphenyl (C₁₂H₁₀) in 350.0 mL of benzene (C₆H₆). What…

A:

Q: What is the osmotic pressure of 0.450% MgCl2 saline solution? Is it soluble in water?  can it…

A: Given:concentration of MgCl2, c= 0.45vant-hoff factor for MgCl2 , i= 3unversal gas constant, R=…

Q: Imagine cells have an internal osmotic pressure of 6.7 ATM. What concentration of KCL solution must…

A: Recall the expression for osmotic pressure                    Osmotic pressureπ=CRTHere,osmotic…

Q: A sample of 46.53 mg of chymotrypsin was dissolved in water and diluted to a total volume of 5.161…

A:

Q: A 51.9 mg sample of alpetin is dissolved in 75.0 mL of water. The osmotic pressure of the solution…

A:

Q: A 3.9x10-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

A:

Q: What is the molarity of a solution of a polypeptide which has an osmotic pressure of 0.235 atm at…

A: Recall the expression for osmotic pressureπ          π=CRTHere,osmotic pressure(π)=0.235 atm…

Q: What is the molar mass of the polypeptide?

A: Formula :-  π = iCRT   Where ;  π is the osmotic pressure i is Van't hoff factor  C is the molar…

Q: When 2.63 g of a polypeptide is dissolved in 621 mL of water, the resulting solution is found to…

A:

Q: When 2.63 g of a polypeptide is dissolved in 455 mL of water, the resulting solution is found to…

A:

Q: The osmotic pressure of a solution containing 19.6 mg of an unknown protein in 50.0 mL of solution…

A: Given that,  Osmotic pressure of unknown protein π = 2.68 mmHg = 0.00353 atm Temperature T= 25°C  =…

Q: calculate the molar mass of the unknown compound.

A: Formula :-  π = CRT  where π is osmotic pressure  C is the molar concentration  R is the gas…

Q: Place the following solutions in order of increasing osmotic pressure. 0.15 M C2H6O        0.15M…

A:

Q: The osmotic pressure of an aqueous solution containing 6.00 mg of an unknown protein per 10.0 mL of…

A:

Q: A 3.0 g sample of a small protein having a molecular weight of 42,000 g/mol is dissolved in 52.8 mL…

A:

Q: A solution is made by dissolving 0.0467 kg of biphenyl (C12H10) in 350.0 mL of benzene (C6H6). What…

A: P = CRT Where, P = osmotic pressure in atm; C = molar concentration; R = 0.082 L atm mol-1 K-1; T =…