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 1.84 x 10-2 atm.  What is the molar mass of this protein?

Q: An aqueous solution of 13.50 g of catalase, an enzyme found in the liver, has a volume of 1.00 L at…

A: Since the osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor = 1…

Q: The density of pure acetic acid is 1.05 g/mL. If a 1.80 molal solution of NaCl-acetic acid was…

A: Molality(m) of a solution is defined as the number of moles of solute present in the 1 kilogram of…

Q: If 5.4 g of glucose, C6H12O6, is dissolved in 0.94 L of water at 291 K, what osmotic pressure, in…

A: Given, The mass of glucose is 5.4 g Volume is 0.94 L Temperature is 291 K The formula used for…

Q: What is the osmotic pressure, in atm, of a 0.0020 M sucrose 1C12H22O112 solution at 20.0 °C ?

A: Van't hoff osmotic pressure equation :  Let , for a non-electrolyte solute , solution the…

Q: what is the molality of a solution if a nonvolatile solute increased the boiling point of pure…

A:

Q: [2] A 20.0 mg sample of a protein is dissolved in water to make 25.0 ml of solution. The osmotic…

A: Given: Mass of protein = 20.0 mg = 0.020 g.                                       (Since 1 g = 1000…

Q: A solution is made by dissolving 52.0 g of sucrose, C12H22O11, in 117 g of water, producing a…

A: The number of moles for a given compound or a molecule refers to the ratio of its mass to the…

Q: Imagine that you have two solutions of glucose in water. One solution consists of 1g of glucose in…

A: The relation between osmotic pressure and concentration is shown below: π=CRT From the above…

Q: A sample of an unknown protein dissolved in water to give 25.0 mL of solution was found to have an…

A: Given : Volume of solution = 25.0 mL = 0.0250 L                                           (since 1 L…

Q: A solution of an 22.4 g of an unknown protein dissolved in enough water to make 0.150 L of solution…

A: Please find the below attachments.

Q: A very dilute solution contains 370.4mg of fructose (nonelectrolyte , MM = 180.16 g/mol) in 1.189 L…

A: Mass of fructose, W = 370.4 mg = 0.3704 g Molecular weight of fructose, Mwt = 180.16 g/mol Moles of…

Q: A 250 mL solution containing 21.4 g of a polymer in toluene had an osmotic pressure of o.055 atm at…

A: Given data, Osmatic pressure of toluene π=0.055 atm Temperature T=27°C=(27+273)=300K Volume V=250…

Q: Pepsin an enzyme involved in the process of digestion. Its molar mass is about 3.50x 104 g/mol. What…

A: Osmotic pressure (π) The minimum pressure that prevents the osmosis process is called osmotic…

Q: The molality of ethanol, CH3CH2OH, in an aqueous solution is 8.95 mol/kg. What is the mole fraction…

A:

Q: Calculate the osmotic pressure of a 2 % aqueous urea (NH2CONH2) solution at 25 oC . M = 60 g/mol, R…

A: The aqueous solution of urea (NH2CONH2) at 25 oC  is given to be 2 % which means that- 100 mL of…

Q: In a study designed to prepare new gasoline-resistant coatings, a polymer chemist dissolves 6.053 g…

A: Given: Mass of poly(vinyl alcohol) = 6.053 g. Volume of solution = 100.0 mL = 0.100 L. Temperature T…

Q: A solution of 7.50 mg of a small protein in 5.00 mL aqueous solution has an osmotic pressure of…

A: The relation between grams (g) and milligrams (mg) is given below. 1 g = 1000 mg Convert 7.50 mg…

Q: R 11.98 A solution of an unknown molecular substance in water at 300 K gives rise to an osmotic…

A: osmotic pressure = 4.85 atm Temperature ( T) = 300 k Osmotic pressure = CiRT

Q: What is the molality of an aqueous solution of urea (CON2H4) that is 12.5% CON2H4 by mass?

A: Molality is the concentration term used to define the concentration of the given solution. It is…

Q: A 276 mL aqueous solution containing 0.400 g of an unknown polymer has an osmotic pressure of 26.9…

A: The osmotic pressure is given by  Osmotic pressure = i X CRT where i = Van't Hoff factor = number of…

Q: What is the osmotic pressure, in atm, of a solution made from 22.3 g of methanol (MM = 32.04 g/mol)…

A: Given, 22.3 g of methanol (MM = 32.04 g/mol) 371 mL of solution at 25.0 °C

Q: When 0.548 grams of a protein were dissolved in 14.4 mL of benzene at 26.7 degrees C, the osmotic…

A: The osmotic pressure is expressed as:

Q: Sucrose is a covalent compound that has the formula C12H22O11. What is the mole fraction of sucrose…

A:

Q: A 1.25 M sugar (C12H22O11) solution has a density of 1.12 g/mL. What is the molality of this…

A:

Q: When 2.63 g of a polypeptide is dissolved in 101 mL of water, the resulting solution is found to…

A: Given information:Mass of polypeptide = 2.63 gVolume of water = 101 mLOsmotic pressure = 0.125…

Q: In a laboratory experiment, the freezing point of an aqueous solu- tion of glucose is found to be…

A: ∆Tf = i × kf × m  where ;  ∆Tf is freezing point depression i is van't hoff factor  Kf is freezing…

Q: 6. Complete the following table. Expected freezing point °C molality solution Molar Mass of Mass of…

A: As you not specifiy so i am giving asser of first 2 question as per guidlines Use relation…

Q: What is the osmotic pressure (in atm) of a 0.225M solution of glucose at 305K?

A:

Q: 2. A 1.0 g sample of a molecular compound having a molecular weight of 100,000 g/mol is dissolved in…

A:

Q: The osmotic pressure of a 3.30 mL solution containing 0.181 g of protein dissolved in water is…

A:

Q: What mass of water must be used to dissolve 20.0 grams of ethanol, C2H5OH, to prepare a 0.0500 molal…

A: Given :-  Mass of ethanol = 20.0 g  Molality of solution = 0.0500 molal or 0.0500 mol/kg  To…

Q: A 0.608 g sample of a protein was dissolved in 25.00 mL of water and the resulting osmotic pressure…

A: Ans : Mass of protien sample, (w) = 0.608g Volume of solution, (v) = 25.00ml = 0.025l Temperature,…

Q: What is the molar mass of a protein if 5.87 mg per 10 mL gives an osmotic pressure of 2.45 torr at…

A:

Q: A 6.85 g solution of a certain biomolecule in 100.0 g H2O has a density = 1.024 g/mL. Its osmotic…

A: We have to calculate the molar mass of the biomolecule.

Q: Suppose you dissolve 0.210 g of a newly isolated protein in 25.o ml of water. The solution has an…

A: Given,  Mass of protein, (W2) = 0.210 g  Volume of solution = 25 ml = 0.025 L  Temperature, T = 275…

Q: What mass of glucose (C6H12O6) is present in 5.00 × 102mL of solution with an osmotic pressure of…

A: Given: Volume of solution=  5.00 × 102mL= 0.5 L Osmotic pressure= 8.55 atm Temperature= 298 K Mass…

Q: 100 mg of a protein is dissolved in just enough water to make 10.0 mL of solution. If this solution…

A: Osmotic pressure is calculated by using the formula: π=i×C×R×T        OR π=i×Mass of solute…

Q: A solution of 12.4 g of an unknown protein dissolved in enough water to make 0.245 L of solution has…

A: Convert 424 torr into atm. It can be done as follows-

Q: What is the molal concentration of a sugar solution that freezes at -0.93°C?

A: Given: The freezing point of the solution=  -0.93°C Cryoscopic constant of water= (Kf)= 1.853 K kg…

Q: An aqueous solution of cesium chloride is prepared by dissolving 52.3 g cesium chloride in 60.0g of…

A: Number of moles of cesium chloride = given mass / molar mass = 52.3 g / 168.36 g/mole= 0.31 molMass…

Q: What is the molality of a solution made by dissolving 14.7 g of C6H1206 (Molar mass: 180.18 g/mol)…

A: Given that -  Mass of C6H12O6 = 14.7 g  Molar mass = 180.18 g/mol  Volume of water, Solvent = 150.0…

Q: The osmotic pressure of this solution at 25.0°C was 44.56 torr. What is the molar mass?

A:

Q: 11.98 A solution of an unknown molecular substance in water at 300 K gives rise to an osmotic…

A:

Q: What is the osmotic pressure formed by dissolving 44.2 mg of aspirin 1C9H8O42 in 0.358 L of water at…

A: The properties associated with the solution due to the presence of the non-volatile solute of a…

Q: The molality of an aqueous NaCl solution that freezes at -1° C is equal to the molality of another…

A: For calculation of Molality of aqueous sodium chloride NaCl solution can be calculated by help of…

Q: At what temperature would a 0.00570 M solution of glucose in water exhibit an osmotic pressure of…

A: Given:Osmotic pressure (π) = 0.150 atm.Molarity (M) = 0.00570 M.