Cellobiose is a sugar obtained by degradation of cellulose. If 200.0 mL of an aqueous solution containing 1.500 g of cellobiose at 25.0 °C gives rise to an osmotic pressure of 407.2 mm Hg, what is the molecular mass of cellobiose?

Q: 100 mL of a solution of physiological saline (0.92% NaCl by mass) is diluted by the addition of 250…

A: Osmotic pressure (π) π = iMRT

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…

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

A: Osmotic pressure is related to concentration and temperature by the equation π = CRT π = osmotic…

Q: A solution containing polymer of an unknown structure, and with an approximate molar mass of 1.75 x…

A: We are here given that  molar mass of unkown structure =1.75×104g/molvolume of organic solvent…

Q: Calculate the osmotic pressure of a solution containing 18.75 mg of hemoglobin in 15.0 ml of…

A: Given data: Volume of solution = 15 mL Mass of Hemoglobin = 18.75 mg Temperature = 25oC = 298.15 K…

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 average molecular weight, MW, of a polymer if 50.0 mL of a solution that contains 1.45 g…

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: The concentration of glucose, C6H12O6, in normal spinal fluid is 75 mg/100 g . What is the molality…

A: Given : Concentration of glucose=75 mg/100 g.which means 75 mg of glucose in 100 g of solution…

Q: The osmotic pressure in atm is 430 mM K3PO4 at 300.0 K.

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Q: A solution containing 27.55 mg of an unknown protein per 25.0 mL solution was found to have an…

A: ANSWERE IS DISCUSSED BELOW :

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 osmotic pressure of a solution containing 7.0 g of insulin per liter is 23 torr at 25 °C. What…

A: Given, mass of insulin =7 g temperature of solution=25°C=25+273.15 K=298.15 K R(universal gas…

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: When we dissolve a 1.50-g sample of a compound in enough solvent to give 800.0 mL of solution at 27…

A: To solve this problem we will use  π= iCRT  Where , π = osmotic pressure  i= van't Hoff factor  C=…

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: The osmotic pressure of a solution containing 7.0 g of insulin per liter is 23 torr at 25 °C. What…

A: Osmotic pressure is related to molarity of the solution as follows: Here, M is molarity of a…

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: The density of the aqueous solution of 2,238 molal H2SO4 is 1,243 g / mL. Calculate the molarity of…

A: Molality and Molarity both are concentration terms and are used to prepare solution. Molality is the…

Q: A beverage contains tartaric acid, H2C,H,O6 , a substance obtained from grapes during wine making.…

A: The molality is equal to the ratio of the number of moles of solute to the mass of solvent in kg. It…

Q: What is the osmotic pressure, in atm, of a 0.137 M solution of MgCl2 at 37.0 °C in atm? (assume…

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Q: When 3.4 x 10-4 kg of a certain chemical compound is dissolved in 0.563 L of water at 23˚C, the…

A:

Q: 3. To determine the molar mass of a certain protein, 1.00 x 10-3 g of it was dissolved in enough…

A: Given information: Mass of protein = 1.00×10-3 g Volume of solution = 1.00 mL Pressure = 1.12 torr…

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: A 0.036 M aqueous nitrous acid (HNO2) solution has an osmotic pressure of 0.93 atm at 25°C.…

A: The osmotic pressure(π) of solution can be determined by using formula : π = i M R T Where, i = Vant…

Q: What is the molar mass of a protein if a solution of 0.02 g of the protein in 25.0 mL of solution…

A: The osmotic pressure is given by, π= c. R.T where c is the concentration, R is the ideal gas…

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 mass of insulin must be dissolved in 54.0 mL of water to produce a solution with an osmotic…

A: Given: Volume of water=54.0 mL=0.054 L Osmotic pressure=17.2 mmHg Temperature=25oC=298 K Molar…

Q: What is the osmotic pressure of a solution that contains 25.9 mg of glucose (180.156 g/mol) in 75.0…

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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: nonelectrolyte

A:

Q: At what temperature would a 0.00190 M solution of glucose in water exhibit an osmotic pressure of…

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

Q: 0.6244 g of an unknown non-electrolyte is dissolved in enough water to make 200.0 mL of solution at…

A:

Q: What is the change in freezing point of an aqueous solution of glucose that has a molality of 1.7?…

A:

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 0.500 L sample of an aqueous solution containing 10.0 g of hemoglobin has an osmotic pressure of…

A: In order to determine the molar mass of hemoglobin first the number of moles of hemoglobin is…

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: The osmotic pressure, in torr, of a 0.0218 M aqueous solution of a molecular compound at 25 °C is i…

A: Given,   concentration, C = 0.0218 M temperature, T = 25oC

Q: At what temperature (in °C) would a 0.00610 M solution of glucose in water exhibit an osmotic…

A: Osmotic pressure of an aqueous solution = iCRT

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: 4. It is found that 0.220 g of a certain polymer dissolved in enough water to make 300 mL of…

A:

Q: 0.163 M solution of MgCl₂ at 37.0 °C? (assume complete dissociation).

A: Osmotic pressure is the pressure that would have to be applied to a pure solvent to prevent it from…

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.

Q: A solution containing 0.80 g of a protein in 100 mL of a solution has an osmotic pressure of 2.06…

A: The osmotic pressure is expressed as: