[References] A 0.18-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic pressure is found to be 18.7 torr at 25°C. Calculate the protein's molar mass.

Q: Consider an aqueous solution containing 1.0 g/L of a protein (molar mass 8.1x10^4 =  g/mol) with a…

A: Mass of protein = 1 g Volume of solution = 1 L Temperature = 25°C Depression in freezing point = ?…

Q: 1.Assume that the measured freezing point of pure cyclohexane using your thermometer was 6.0 °C. A…

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Q: The molality of ethanol, CH3CH OH, in an aqueous solution is 5.98 mol/kg. What is the mole fraction…

A: The molality of ethanol, CH3CH2OH, in an aqueous solution is 5.98 mol/kg.What is the mole fraction…

Q: What is the boiling point change (in unit of °C) of the benzene liquid when 0.53 mole of naphthalene…

A: Freezing point of a liquid is defined as the temperature at which a liquid boils and converted to…

Q: What is the osmotic pressure of a solution prepared by dissolving 0.571 g of strontium perchlorate…

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Q: Tick (✓) the box what colligative properties is involve in each item.   Boiling point elevation…

A: The colligative property which is involved in addition of salt in cooking spaghetti pasta has to be…

Q: Dissolving a non-volatile solute in a solvent will do which of the following? Increase the freezing…

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Q: Calculate the protein's molar mass.

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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: Explain the molecular reason why the vapor pressure decreases when glycerol (C3H5(OH)3) is dissolved…

A: The answer is given as follows Vapour pressure : This is a pressure exerted by the gas which is in…

Q: Glucose makes up about 0.10% by mass of human blood. Ca alate concentration in ppm

A: Here the question ask to calculate the concentration in the unit ppm that is parts per million. ppm…

Q: Define colloid

A: Every system is made of two components: the dispersed phase and the dispersed medium. The particles…

Q: 9. Determine the osmotic pressure of a solution that contains 0.021 g of a hydrocarbon solute (molar…

A: To find the osmotic pressure exerted by a hydrocarbon dissolved in benzene. Mass of hydrocarbon =…

Q: Consider an aqueous solution containing 1.0 g/L of a protein (molar mass = 8.9 × 10* g/mol) with a…

A: Given: Concentration of protein = 1.0 g/L. Molar mass of protein = 89000 g/mol. And density of…

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: Why startch solution easily dissolve in water with regards to the topic of colloidal dispersion?

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Q: How will the solubility of NaCl in water be affected by an increase in pressure?

A: Solubility is the amount of solute that gets dissolved in a given amount of solvent at a particular…

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: Which is the better solvent?

A: According to the like dissolve like principle, a polar compound is soluble in polar solvent and a…

Q: Select the solute that will cause the largest freezing-point depression when dissolved in water. a.…

A: The depression in the freezing point is caused when a non-volatile solute is added to the solution.…

Q: Consider an aqueous solution containing 1.0 g/L of a protein (molar mass = 7.5 x 104 g/mol) with a…

A: Answer: Properties of the solution those depend on the number of solute particles present in the…

Q: the process by which a coagulated colloid returns to its dispersed states Nucleation peptization…

A: Nucleation- it is the 1st step of precipitation where particles come closer and coagulate.…

Q: The normal boiling point of a certain liquid X is 113.80 °C, but when 41. g of glycine (C₂H-NO₂) are…

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Q: b. A solution contains 10.00 g of a non-volatile hydrocarbon in 100.0 g of acetone. Th boiling point…

A: The question is based on the concept of solutions.   Molality is a method of expressing…

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: What are lyophobic colloids? Give one example for them.

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Q: If 80 g of sacarose (C12H22O11) are dissolved in 650 g of water, calculate the boiling point of the…

A: Elevation in boiling point = Kb x i x m  where, Kb = Ebullioscopic constant i = Van't Hoff factor m…

Q: .An ionic compound has a highly negative ΔH(soln) in water.Would you expect it to be very soluble…

A: The relation for ∆G is given by, ∆G = ∆H - T∆S where T is the temperature and ∆S is the change in…

Q: A solution prepared by dissolving 6.95 X 10^3 g of protein in 0.0300 L of water has an osmotic…

A: Given a solution is prepared by dissolving protein in given water at a particular temperature and…

Q: When 2.57 g of a nonelectrolyte solute is dissolved in water to make 115 mL of solution at 24 °C,…

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Q: What is meant by coagulation of a colloidal solution? Name any method by which coagulation of…

A: Coagulation is a process of aggregating together the colloidal particles so as to change them into…

Q: For items 15-16: The osmotic pressure of an aqueous solution of a certain protein was measured to…

A: Given: Osmotic pressure = 1.54 torr T = 25oC

Q: find the approximate molar mass of polystyrene when a solution of polystyrene in toluene of…

A: Given : Concentration of polystyrene in g/L = 2.042 g/L. And the osmotic pressure of the solution =…

Q: 85. A solution containing 27.55 mg of an unknown protein per 25.0 mL solution was found to have an…

A: mass of protein (m) = 27.55 mg = 0.02755 gVolume of the solution (V) = 25.0 mL = 0.025 LOsmotic…

Q: alculate the molality of a solution formed by adding 2.60 g NH4 olality: to 19.1 g of water.

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Q: a molar mass of 598 g/mol. If 33.7 mg of the compound is dissolved in enough water to make 175 mL of…

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Q: A physician studying a type of hemoglobin formed during a fatal disease dissolves 21.5mg of the…

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Q: When 50.7 g of a certain molecular compound x are dissolved in 100 g of formamide (NH, COH), the…

A: Depression of freezing point is a colligative property. Colligative property depends on the number…

Q: In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution…

A: ANSWER : To calculate the volume of seawater to produce 10.0 liters of fresh water, Firstly we…

Q: When 2.19 g of a certain molecular compound X are dissolved in 100. g of formamide (NH, COH), the…

A: To Calculate molar mass , we would first Calculate depression in freezing point using freezing point…

Q: what is the effect of temperature in the solubility of solid organic solutes?

A: Given,  Solute = Solid organic solute  Effect of temperature in the solubility of solid organic…