The boiling point of water is 100.0°C at 1 atmosphere. How many grams of copper(II) nitrate (187.6 g/mol), must be dissolved in 212.0 grams of water to raise the boiling point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb(°C/m) Kf(°C/m) H₂O CH3CH₂OH 1.22 CHCl3 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH₂ OCH₂ CH3 2.02 Mass= g copper(II) nitrate Water Ethanol Chloroform 0.512 1.86 1.99 5.12
The boiling point of water is 100.0°C at 1 atmosphere. How many grams of copper(II) nitrate (187.6 g/mol), must be dissolved in 212.0 grams of water to raise the boiling point by 0.350 °C? Refer to the table for the necessary boiling or freezing point constant. Solvent Formula Kb(°C/m) Kf(°C/m) H₂O CH3CH₂OH 1.22 CHCl3 3.67 Benzene C6H6 2.53 Diethyl ether CH3 CH₂ OCH₂ CH3 2.02 Mass= g copper(II) nitrate Water Ethanol Chloroform 0.512 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 water is 100.0°C at 1 atmosphere.
How many grams of copper(II) nitrate (187.6 g/mol) must be dissolved in 212.0 grams of water to raise the boiling point by 0.350°C?
Refer to the table for the necessary boiling or freezing point constant.
| Solvent | Formula | \(K_b\) (°C/m) | \(K_f\) (°C/m) |
|----------------|-------------------|----------------|----------------|
| Water | \(H_2O\) | 0.512 | 1.86 |
| Ethanol | \(CH_3CH_2OH\) | 1.22 | 1.99 |
| Chloroform | \(CHCl_3\) | 3.67 | |
| Benzene | \(C_6H_6\) | 2.53 | 5.12 |
| Diethyl ether | \(CH_3CH_2OCH_2CH_3\) | 2.02 | |
\[ \text{Mass} = \boxed{\phantom{00}} \, \text{g copper(II) nitrate} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F216d8975-823a-443e-8abc-06f056adfa09%2F0460bf55-ac4b-4412-9d34-1daec8d11b5f%2Fiwmbxz3_processed.png&w=3840&q=75)
Transcribed Image Text:The boiling point of water is 100.0°C at 1 atmosphere.
How many grams of copper(II) nitrate (187.6 g/mol) must be dissolved in 212.0 grams of water to raise the boiling point by 0.350°C?
Refer to the table for the necessary boiling or freezing point constant.
| Solvent | Formula | \(K_b\) (°C/m) | \(K_f\) (°C/m) |
|----------------|-------------------|----------------|----------------|
| Water | \(H_2O\) | 0.512 | 1.86 |
| Ethanol | \(CH_3CH_2OH\) | 1.22 | 1.99 |
| Chloroform | \(CHCl_3\) | 3.67 | |
| Benzene | \(C_6H_6\) | 2.53 | 5.12 |
| Diethyl ether | \(CH_3CH_2OCH_2CH_3\) | 2.02 | |
\[ \text{Mass} = \boxed{\phantom{00}} \, \text{g copper(II) nitrate} \]
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Use the formula related to change in boiling point to calculate the mass of copper nitrate required.
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