A) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL...
A) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL of solution at 22 ∘C . The molar mass of hemoglobin is 6.5×104 g/mol.
B) A 2.400×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.4 mL . The density of water at 20.0∘C is 0.9982 g/mL.
-Calculate the molality of the salt solution.
mNaCl=
-Calculate the concentration of the salt solution in percent by mass.
percent by mass NaCl=
C) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL of solution at 22 ∘C . The molar mass of hemoglobin is 6.5×104 g/mol.
Homework Answers
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A) Calculate the osmotic pressure of a solution containing 16.75
mg of hemoglobin in 15.7 mL...
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Calculate the osmotic pressure in torr of a solution containing 18.75 mg of hemoglobin in 15.0...
Calculate the osmotic pressure in torr of a solution containing 18.75 mg of hemoglobin in 15.0 mL of solution at 25.0oC. The molar mass of hemoglobin is 6.5 x 104g/mol.
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A 2.400×10−2 M solution of NaCl in water is at 20.0∘C. The sample was created by...
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A protein solution containing 80.0 mg of the protein (dissolved in water) displays an osmotic pressure of 319.88 Pa at 310.15 K. If the volume of the protein solution is 16.0 mL, what is the molar mass of the protein
A protein solution containing 90.0 mg of the protein (dissolved in water) displays an osmotic pressure...
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A 2.300×10−2 M solution of NaCl in water is at 20.0∘C. The sample was created by...
A 2.300×10−2 M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.4 mL . The density of water at 20.0∘C is 0.9982 g/mL. Express your answer(s) to four significant figures and include the appropriate units. Part A) Calculate the molality of the salt solution. Part B)...
The osmotic pressure of a solution containing 22.7 mg of an unknown protein in 50.0 mL of solution is 2.88 mm Hg at 25.0°C. Determine the molar mass of the protein. Select one: O a. 3.85 x 10 g/mol O b.3.85 g/mol O c. 2.46 x 10 g/mol O d. 1.47 x 10 g/mol e. 2.93 x 109 g/mol
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