A sample of 46.53 mg of chymotrypsin was dissolved in water and diluted to a total volume of 5.161 mL. The osmotic pressure of this solution at 25.0°C was 6.706 torr. What is the molar mass?

Q: The osmotic pressure in 5% (m/v) glucose solution is equivalent to the osmotic pressure in body…

A: Given: The osmotic pressure in 0.5% (m/v) glucose solution is equivalent to the osmotic pressure in…

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: Maltose, C12H22O11, is a sugar produced by malting (sprouting) grain. A solution of maltose at 25°C…

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

Q: Define the term Molality?

A: Molality is one of the many parameters that is used to express concentration of a solution.

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

A: The molality of a solution is defined as the number of moles of solute present in 1kg of the…

Q: Determine the molar mass of a protein if a solution contains 2.88 mg of protein per 9.64 mL of…

A:

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: The osmotic pressure of a solution containing 5.87 mg of an unknown protein per 10.0 mL of solution…

A: The mass of specified compound existing in its 1-mole amount gets addressed as "Molar mass". It…

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: Why Chalk Soln sink to the bottom of the glass with regards to the topic of colloidal dispersion?

A: Chalk solution sinks to bottom of the glass . It is because chalk is insoluble in water and forms a…

Q: If a 58.3 mg sample of protein A in 1.5 ml of water has an osmotic pressure of 0.271 atm, what is…

A: The osmotic pressure is calculated using the formula: Π = W2RT/M2V where Π = Osmotic pressure W2 =…

Q: What is the osmotic pressure at 25°C when 74.5 mL of a solution containing 5.25 grams of electrolyte…

A:

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: How can the Hydrophobic colloids be stabilized by hydrophilic groups on their surfaces?

A: The hydrophobic colloids be stabilized by hydrophilic groups on their surfaces has to be explained…

Q: (Q71) The osmotic pressure of a solution containing 20.2 mg of an unknown protein dissolved in 9.63…

A: Given,  Mass of protein, W = 20.2 mg = 0.0202 g  Volume of solution, V = 9.43 ml = 0.00943 L Osmotic…

Q: When 0.1306 g of alanine was dissolved in 103.42 mL of water, the osmotic pressure at 32.78°C was…

A: The osmotic pressure, ∏ = 0.446 atm Volume = 103.42 mL or 0.10342 L

Q: Calculate the osmotic pressure of a solution that contains 1.22 grams of sucrose dissolved in 100…

A: We have to calculate the osmotic pressure of solution.

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 osmotic pressure of a solution of 375.5 mg of an unknown protein per 25.0 mL solution was found…

A: Given: The osmotic pressure is 3.22 torr. The temperature is 25 °C. The mass of protein is 375.5 mg.…

Q: What is the Tyndall effect, and how can it be used to help identify colloidal dispersions?

A:

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: A solution containing 56 mg of a protein in 30 mL ofdistilled water exerts an osmotic pressure of…

A: Osmotic pressure :                           π = CRT                           π = wM x VRT…

Q: What would be the osmotic pressure at 17°C of an aqueous solution containing 1.85g of sucrose…

A:

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

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

A:

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

A:

Q: A 0.16-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic…

A: Osmotic pressure for dilute solution, π = CST  π = nVST  where, π = Osmotic pressure C =…

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

A:

Q: A 1.25 M fructose (C6H12O6) solution has a density of 1.69 g/mL. What is the molality of this…

A: Given, Molarity of fructose solution = 1.25 M Density of the solution = 1.69 g/mL Note:  Molar mass…

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: 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: A solution is made by dissolving 44.5 g glycerol, C3H8O3, into 500.0 mL water. Assuming that the…

A:

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 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: A solution of 7.50mg of a small protein in a 5.00mL 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: At 25°C a solution containing 5.25g of a substance in 150.0cm³ of solution exerts an osmotic…

A: 1st question:  Data given: Mass of the substance, m = 5.25 g Temperature of the substance, m = 25 °C…

Q: At 40°C, the blood has an osmotic pressure of 8.02 atm. How many grams of glucose (C6H12O6) is…

A: Solution - Osmotic pressure - Osmotic pressure is the pressure that must be applied to a solution to…

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

A:

Q: A 0.14-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic…

A:

Q: 25.0g of glucose (C6H12O6) was dissolved in a 250 mL solution at 37° C. Calculate the osmotic…

A: When a solution and its solvent are separated by a semipermeable membrane, the excess pressure…

Q: A 0.17-g sample of a purified protein is dissolved in water to give 2.0 mL of solution. The osmotic…

A:

Q: (c) At 12 °C, 39.7 g of compound A are dissolved in 4 L of carbon disulphide and the osmotic…

A:

Q: Why are blood and milk considered as colloidal heterogenous mixtures?

A: A colloid is a mixture in which very small particles of one substance (solute) are evenly…

Q: If a tablet containing 100 mg of caffeine (C3H10N4O2) is dissolved in water to give 10.0 oz of…

A: First we have to calculating the moles of caffeine: