When 0.713 grams of a protein were dissolved in 72.5 mL of solution at 28.5 degrees C, the osmotic pressure was found to be 35.6 torr. Calculate the molar mass of the protein.

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: Calculate the molality of chloride ions in an aqueous solution of magnesium chloride in which the…

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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: A sample of 2.26  g of plastic polystyrene was dissolved in enough toluene to form 100 mL of…

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Q: A 3.4*10^ -2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

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Q: Calculate the osmotic pressure of 0.40 M KNO3 (electrolyte) at 25 °C

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Q: An aqueous solution of 7.700 g of catalase, an enzyme found in the liver, has a volume of 1.00 Lat…

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Q: The freezing point of 50.40 g of a pure solvent is measured to be 47.46 ºC. When 2.10 g of an…

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Q: Two solvents A and B are mixed together. if the molecular weight for A is 50.46 g/mol and the…

A: Use Dalton's law  to find the total pressure of the solution.P = PA + PBPA = 125 torr MA=50.46…

Q: P-Galactosidase (B-gal) is a hydrolase enzyme that catalyzes the hydrolysis of B-galactosides into…

A: Given: Mass of beta galactoside, m = 0.607 g  Volume of solution, V= 0.171 L Temperature, T= 25 +…

Q: A protein subunit from an enzyme is part of a research study and needs to be characterized. A total…

A: Given data is as follows:The mass protein = 0.170g The volume of solution = 2.00 mL = 0.002 LThe…

Q: At 25.0 °C, 100.0 mL of an aqueous solution containing 67.8 mg of a molecular solute has an osmotic…

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Q: Suppose the freezing point of a solution of 2.00 g of an unknown molecular substance in 10.00 g of…

A: We know, depression in freezing point is given by  ∆Tf=Kf×mwhere ∆Tf=depression in…

Q: 2.00 g of an unknown protein was dissolved in water to make 0.100 L of solution. An osmotic pressure…

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Q: A 3.4×10-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

A: Osmotic Pressure: It is defined as the pressure that is applied to the solution side in order to…

Q: 414. mg of an unknown protein are dissolved in enough solvent to make 5.00 mL of solution. The…

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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: The freezing point of benzene, C6H6, is 5.500 °C at 1 atmosphere. Kf(benzene) = 5.12 °C/mIn a…

A: The objective of this question is to determine the molecular weight of a newly synthesized compound…

Q: A solution containing 25.60mg of an unknown protein per 27.5 mL solution was found to have an…

A: The osmotic pressure equation is employed to determine the molarity of unknown protein solution.

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: The common laboratory solvent ethanol is often used to purify substances dissolved in it. The vapor…

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Q: solution was made by dissolving  5.10 mg of hemoglobin in water to give a final volume of 1.00…

A: According to the question, we need to calculate the molecular mass of hemoglobin using the osmotic…

Q: freezing

A: As we know that,  ∆Tf = Kf × m Where, m = molality of the solution.  From the above equation, we get…

Q: A researcher dissolved 12.5 mg of a protein in 1.50 mL of water at 5.00 °C. The resulting osmotic…

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Q: study is the effect on osmotic pressure. (A) When 0.517 g of the compound are dissolved in enough…

A: Mass of compound = 0.517 gVolume of solution= 50 mL Osmotic Pressure= 4.18 atm Temperature= 23 °C We…

Q: 5) In order to find the molecular weight of hemoglobin 0.500 g was dissolved in enough water in a…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Osmotic pressure can be very useful for estimating the molecular weights of macromolecules for whom…

A: For part (a): The mass of protein = 1.364 g The molar mass of the protein = 1.78 × 104 g/mol The…

Q: The freezing point of cyclohexane is 6.50°C. For cyclohexane solvent Kf=20.0. 0.140 g of an unknown…

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Q: A solution containing 26.70 mg of an unknown protein per 21.5 mL of solution was found to have an…

A: Given, Mass of an unknown protein = 26.70 mg = 0.0267 g Volume of the solution (V) = 21.5 mL =…

Q: A 0.025 M carbon dioxide, CO2, aqueous solution is prepared. What is the partial pressure (in atm to…

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Q: A 0.2141 g sample of a nonelectrolyte is dissolved in enough water to make 225.0 mL of solution. The…

A: Here, we find the molar mass by the help of the formula of osmotic pressure. In place of…

Q: A 4.7 x 10^-2 mg sample of a protein is dissolved in water to make 0.25 mL of solution. The osmotic…

A: Q. Given the protein samplehere in this question we have to calculate the molar mass of the protein…

Q: A solution consisting of a molecular substance of mass 1.14 g dissolved in 100. g of camphor freezes…

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Q: What is the osmotic pressure of a solution prepared by adding 12.5 g of sucrose (C12H22O11) to…

A: Mole can be defined as a standard unit for measuring large quantities of very small entities such as…

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 is prepared by dissolving 5.88 g of an unknown nonelectrolyte in enough water to make…

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Q: The molal freezing point depression constant =Kf·7.96°C·kgmol−1 for a certain substance X. When…

A: Answer: We will calculate the depression in freezing point using following formula:…

Q: A solution contains 0.154 mol NaCl and 0.957 mol H, C. Calculate the vapor pressure of the solution…

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Q: The boiling point of chloroform, CHCl3, is 61.700 °C at 1 atmosphere. Kb(chloroform) = 3.67 °C/m In…

A: A numerical problem based on colligative properties which is to be accomplished.

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: A certain substance X has a normal freezing point of 4.7 °C and a molal freezing point depression…

A: Given : data  Tip: apply equation of depression in freezing point

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: The normal freezing point of a certain liquid X is 4.60°C, but when 40.g of iron(III) nitrate…

A: We know that, depression in freezing point in terms of Van’t Hof factor is given by,…

Q: A solution is formed by dissolving 0.86 g of a pure nonvolatile solute in liquid water (H2O, MW =…

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