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A sample of an unknown protein dissolved in water to give 25.0 mL of solution was found to have an osmotic pressure of 3.22 torr at 25°C. What was the concentration of the protein in the sample in units of molarity. A) 1.73 x 10 M B) 5.77 x 10 M C) 1.71 x 10 M D) 0.132 M E) 0.0155 M

A sample of an unknown protein dissolved in water to give 25.0 mL of solution was found to have an osmotic pressure of 3.22 torr at 25°C. What was the concentration of the protein in the sample in units of molarity. A) 1.73 x 10 M B) 5.77 x 10 M C) 1.71 x 10 M D) 0.132 M E) 0.0155 M

Chemistry: Principles and Practice
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.89QE
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nos | Scientific Calculator yam/Downloads/CBC%20CHEM162%20W21%20Quiz4.pdf O B Page view ARead aloud V Draw Highlic 27. A sample of an unknown protein dissolved in water to give 25.0 mL of solution was found to have an of 3.22 torr at 25°C. What was the concentration of the protein in the sample in units of osmotic pressure molarity. A) 1.73 x 104M B) 5.77 x 10 M C) 1.71 x 10 M D) 0.132 M E) 0.0155 M 28 Ciuan that h 25.0 ml 55.mu o molar mass
Transcribed Image Text:nos | Scientific Calculator yam/Downloads/CBC%20CHEM162%20W21%20Quiz4.pdf O B Page view ARead aloud V Draw Highlic 27. A sample of an unknown protein dissolved in water to give 25.0 mL of solution was found to have an of 3.22 torr at 25°C. What was the concentration of the protein in the sample in units of osmotic pressure molarity. A) 1.73 x 104M B) 5.77 x 10 M C) 1.71 x 10 M D) 0.132 M E) 0.0155 M 28 Ciuan that h 25.0 ml 55.mu o molar mass
Expert Solution
Step 1

Given : Volume of solution = 25.0 mL = 0.0250 L                                           (since 1 L = 1000 mL)

Osmotic pressure = 3.22 torr = 3.22 / 760 = 4.237 X 10-3 atm                            (since 1 atm = 760 torr)

And temperature = 25 oC

 

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