The boiling point of chloroform CHCl3 is 61.70 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin. How many grams of aspirin, C9H8O4 (180.1 g/mol), must be dissolved in 204.0 grams of chloroform to raise the boiling point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Kb (°C/m) Kf(°C/m) Water 0.512 Ethanol 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH₂ OCH₂ CH3 2.02 Mass= Formula H₂O CH3 CH₂OH 1.86 1.99 5.12
The boiling point of chloroform CHCl3 is 61.70 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin. How many grams of aspirin, C9H8O4 (180.1 g/mol), must be dissolved in 204.0 grams of chloroform to raise the boiling point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Kb (°C/m) Kf(°C/m) Water 0.512 Ethanol 1.22 Chloroform CHC13 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH₂ OCH₂ CH3 2.02 Mass= Formula H₂O CH3 CH₂OH 1.86 1.99 5.12
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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![The boiling point of chloroform (CHCl₃) is 61.70 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin.
**Question:**
How many grams of aspirin, C₉H₈O₄ (180.1 g/mol), must be dissolved in 204.0 grams of chloroform to raise the boiling point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant.
**Table of Solvents and Properties:**
| Solvent | Formula | \(K_b\) (°C/m) | \(K_f\) (°C/m) |
|--------------|------------------|----------------|----------------|
| Water | H₂O | 0.512 | 1.86 |
| Ethanol | CH₃CH₂OH | 1.22 | 1.99 |
| Chloroform | CHCl₃ | 3.67 | — |
| Benzene | C₆H₆ | 2.53 | 5.12 |
| Diethyl ether| CH₃CH₂OCH₂CH₃ | 2.02 | — |
**Answer:**
Mass = [Text Box] g
The table lists solvents with their respective chemical formulas, boiling point elevation constants (\(K_b\)), and freezing point depression constants (\(K_f\)). This data is necessary to determine how much aspirin needs to be dissolved to achieve the desired change in boiling point.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F15cd763b-5763-4f34-ac90-fb3a4d78f352%2F7a40ee16-0e7f-4aa8-bdd1-676c82f8956a%2Focstsxa_processed.png&w=3840&q=75)
Transcribed Image Text:The boiling point of chloroform (CHCl₃) is 61.70 °C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in chloroform is aspirin.
**Question:**
How many grams of aspirin, C₉H₈O₄ (180.1 g/mol), must be dissolved in 204.0 grams of chloroform to raise the boiling point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant.
**Table of Solvents and Properties:**
| Solvent | Formula | \(K_b\) (°C/m) | \(K_f\) (°C/m) |
|--------------|------------------|----------------|----------------|
| Water | H₂O | 0.512 | 1.86 |
| Ethanol | CH₃CH₂OH | 1.22 | 1.99 |
| Chloroform | CHCl₃ | 3.67 | — |
| Benzene | C₆H₆ | 2.53 | 5.12 |
| Diethyl ether| CH₃CH₂OCH₂CH₃ | 2.02 | — |
**Answer:**
Mass = [Text Box] g
The table lists solvents with their respective chemical formulas, boiling point elevation constants (\(K_b\)), and freezing point depression constants (\(K_f\)). This data is necessary to determine how much aspirin needs to be dissolved to achieve the desired change in boiling point.
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