What is the molar mass of a fictitious, non-electrolyte, unknown when 4.1055 g are dissolved to make 225.0 mL of solution with an osmotic pressure of 2.257 atm at 40.1 oC? Assume the theoretical Van't Hoff factor.

Chemistry: Principles and Practice
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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
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What is the molar mass of a fictitious, non-electrolyte, unknown when 4.1055 g are dissolved to make 225.0 mL of solution with an osmotic pressure of 2.257 atm at 40.1 oC? Assume the theoretical Van't Hoff factor.
 
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Step 1

Given, 

The mass of unknown electrolyte= 4.1055g

Volume of solution= 225.0mL

Osmotic pressure= 2.257 atm

Temperature= 40.10C

We have to find the molar mass of the unknown electrolyte 

 

 

 

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