The vapor pressure of 2-propanol (60.096 g/mol) is 50.00 kPa at 338.8 °C, but it fell to 49.62 kPa when 8.69 g of an involatile organic compound was dissolved in 250 g of 2-propanol. Calculate the molar mass of the compound. 137 g/mol 273 g/mol 281 g/mol 185 g/mol
The vapor pressure of 2-propanol (60.096 g/mol) is 50.00 kPa at 338.8 °C, but it fell to 49.62 kPa when 8.69 g of an involatile organic compound was dissolved in 250 g of 2-propanol. Calculate the molar mass of the compound. 137 g/mol 273 g/mol 281 g/mol 185 g/mol
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 80QRT
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The vapor pressure of 2-propanol (60.096 g/mol) is 50.00 kPa at 338.8 °C, but it fell to 49.62 kPa when 8.69 g of an involatile organic compound was dissolved in 250 g of 2-propanol. Calculate the molar mass of the compound.
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137 g/mol |
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273 g/mol |
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281 g/mol |
||
|
185 g/mol |
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