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A solution is made by dissolving 28.65 mg of a protein in

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 90P Chapter 19

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 90P

A solution is made by dissolving 28.65 mg of a protein in water and diluting to a total volume of 25.0 mL. The osmotic pressure of the solution is 4.55 torr at 25°C. What is the molar mass of the protein? (The osmotic pressure of a solution is given by the equation: Osmotic Pressure = M × R × T, where M is the molarity of the solution, R is the gas constant, and T is temperature in K.)

Step-by-Step Solution:
Step 1 of 3

 Here we have to calculate the molar mass of protein.

Given:

Step-1

The given mass of protein (w)= 28.65 mg = 0.02865g

Volume(v) = 25.0 mL = 0.025L

Osmotic pressure(p) = 4.55torr =  4.55/760 = 0.00598  atm

Temperature (T)= 25oC =  298 k (25+273)

Osmotic pressure = M RT

Where, M = molarity, R = gas constant, T = temperature  in K

Step-2

Osmotic pressure = M RT

0.00598 atm = M 0.0821 L atm mol-1 K-1 298...

Step 2 of 3

Chapter 19, Problem 90P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

This full solution covers the following key subjects: solution, osmotic, pressure, protein, molarity. This expansive textbook survival guide covers 19 chapters, and 2045 solutions. The full step-by-step solution to problem: 90P from chapter: 19 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. The answer to “A solution is made by dissolving 28.65 mg of a protein in water and diluting to a total volume of 25.0 mL. The osmotic pressure of the solution is 4.55 torr at 25°C. What is the molar mass of the protein? (The osmotic pressure of a solution is given by the equation: Osmotic Pressure = M × R × T, where M is the molarity of the solution, R is the gas constant, and T is temperature in K.)” is broken down into a number of easy to follow steps, and 79 words. Since the solution to 90P from 19 chapter was answered, more than 237 students have viewed the full step-by-step answer. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5.

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