When 2.63 g of a polypeptide is dissolved in 101 mL of water, the resulting solution is found to have an osmotic pressure of 0.125 atm at 37.0 °C. What is the molar mass of the polypeptide?

Q: When 2.03 g of a nonelectrolyte solute is dissolved in water to make 595 mL of solution at 23 °C,…

A: Given mass of non-electrolyte solute is 2.03 g  Volume of solution is 595 mL  Given osmotic pressure…

Q: If a 46.1 mg sample of protein B in 1.75 ml of water has an osmotic pressure of 0.218 atm, what is…

A: Osmotic pressure π can be defined as the minimum excess pressure applied to the solution to prevent…

Q: What is the molality of a solution consisting of 2.66 mL of carbon tetrachloride (CCl4; d = 1.59…

A: The given data contains, Volume of CCl4 = 2.66 ml. density = 1.59 g/ml. Volume of CH2Cl2 = 76.5 ml.…

Q: The molecular mass of hemoglobin is 6.86 x 104 g/mol.  What mass of hemoglobin must be present per…

A: Given :-  Molar mass of haemoglobin = 6.86 x 104 g/mol  Volume of solution = 100.0 mL  Osmotic…

Q: An antifungal molecule has a molar mass of 2448 g/mol.  What osmotic pressure would result from a…

A: The relationship between osmotic pressure, P, solute concentration, and temperature for a solution…

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: If 60.3 mg of a new biodegradable polymer are dissolved in 0.502 mL of water and the resulting…

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

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Q: What is the average molecular weight, MW, of a polymer if 50.0 mL of a solution that contains 1.45 g…

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Q: A solution of glucose (C6H12O6) is made by dissolving 3.25 grams of glucose in enough water to make…

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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: 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 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: 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: What is the molality concentration when 0.14 moles of MgBr2 are dissolved in 12.75 moles of water?

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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 osmotic pressure in atm of a 1.0L solution of 1.50g NaCl(aq) at 25°C?

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Q: What is the molality of a solution that contains 71.8 g of 1,4-dichlorobenzene (C6H4Cl2) in 468 mL…

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Q: What is the molality of a solution consisting of 44.0 mL of benzene (C₆H₆; d=0.877 g/mL) in 167 mL…

A: Molality is the concentration term which is defined as the number of moles of solute per kg of…

Q: When 2.63 g of a polypeptide is dissolved in 251 mL of water, the resulting solution is found to…

A: Given that,  Mass of polypeptide dissolved m = 2.63 g molar mass of polypeptide Mw = to be…

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

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Q: When 2.63 g of a polypeptide is dissolved in 239 mL of water, the resulting solution is found to…

A: Given data=>   mass of polypeptide = 2.63 g    Volume of solution = 239 mL   Osmotic pressure =…

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

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Q: When 0.713 grams of a protein were dissolved in 72.5 mL of solution at 28.5 degrees C, the osmotic…

A: Osmotic pressure is an colligative property meaning it depends upon the amount of solute or ions…

Q: What is the molality of a solution composed of 3.25 g methanol (CH3OH) and 250 mL of water?

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Q: When 3.14 g of a nonelectrolyte solute is dissolved in water to make 325 mL of solution at 22 °C,…

A: Given ,  Mass of non electrolyte (w) = 3.14 g Volume of solution (V) = 325 mL = 0.325 L Temperature…

Q: A solution of an 1.24 g of an unknown protein dissolved in enough water to make 0.020 L of solution…

A: Given, Weight of the protein =1.24g Volume of the solution = 0.02L Osmotic pressure = 224 torr =…

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: 1.00 L of an aqueous solution contains 1.52 g of a compound used in antifreeze. If the osmotic…

A: Given data,Pressure =448 torr =0.5894atmVolume of an aqueous layer is 1LGas constant is 0.08206J/mol…

Q: At 25.0°C, 100.0 mL of aqueous sol containing 45.2 mg of a molecular solute has an osmotic pressure…

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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…

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Q: If a 50.3 mg sample of protein Bin 1.75 mL of water has an osmotic pressure of 0.218 atm, what is…

A: Osmotic pressure of a solution, π =CRT, where, C= molar concentration of the solution, R = universal…

Q: Isotonic saline solution, which has the same osmotic pressure as blood, can be prepared by…

A: The given values are: Mass (m) of NaCl=0.923 g Volume (V) of solution=100 mL or 0.1 L Temperature…

Q: 68.4 g of sucrose is dissolved in 250 g of water. What is the molality or molal concentration of the…

A: Molality = number of moles of solute/Kg solvent = (mass of substance/molecular mass of substance)x…

Q: What is the volume of a solution containing 2.4 mol of lactose if the osmotic pressure is 850 torr…

A: Osmotic  pressure  formula  π=CRT where C = concentration              R = Gas constant…

Q: At 25.0 °C, 100.0 mL of an aqueous solution containing 45.2 mg of a molecular solute has an osmotic…

A: we will use osmotic pressure formula

Q: What is the osmotic pressure at 0°C of an aqueous  solution containing 46.0 grams of C3H8O3 per…

A: Osmotic pressure is expressed by the below mentioned formula as,

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: The molality of a solution of ethyl alcohol, (C2H5OH) in water is 0.960 mol/kg. How many grams of…

A: we have given molality and have to calculate mass of alcohol

Q: 4. The density of acetonitrile (CH3CN) is 0.786 g/mL and the density of methanol (CH3OH) is 0.791…

A: Mole fraction of x = no.of moles of x/total moles  Molality is the ratio of moles of solute to the…

Q: When 2.63 g of a polypeptide is dissolved in 153 mL of water, the resulting solution is found to…

A: A solution's osmotic pressure is the pressure difference required to halt the passage of solvent…

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

A:

Q: Pepsin is an enzyme involved in the process of digestion. Its molar mass is about 3.50 x 10 g/mol.…

A: Given: Mass of sample of pepsin = 0.150 g Volume of pepsin solution = 40 mL = 0.040 L Molar mass of…

Q: What is the molality of a solution containing 23 mol glucose and 4.7 kg of water?

A:

Q: What is the osmotic pressure (in atm) of a solution of a protein (molar mass - 6.27X 10 a/mol) at…

A: Given Mass = 0.160 g Molar mass = 6.27 * 103 g/mol Temperature = 30°C = 303°K Volume of solution =…

Q: A starch has a molar mass of 3.90 × 104 g/mol. If 0.828 g of this starch is dissolved in 117 mL of…

A: Since the osmotic pressure in atm is given by  Osmotic pressure = CRT                   ( for non…

Q: At what temperature would a 0.0411 M solution of calcium nitrate (Ca(NO₃)₂) in water exhibit an…

A: The osmotic ptessure of a solution depends on concentration of solution and temperature by the…