Question:
A solution is formed by the combination of two liquids such as dichloromethane and chloroform. The partial pressures of dichloromethane and chloroform in solution are 285.5 and 62.4 mm Hg respectively. What is the total pressure of the solution?
A solution is formed by the combination of two liquids such as dichloromethane and chloroform. The partial pressures of dichloromethane and chloroform in solution are 285.5 and 62.4 mm Hg respectively. What is the total pressure of the solution?
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When dealing with mixtures of gases or liquids, remember that the total pressure is simply the sum of the partial pressures of each component.
Updated On: May 13, 2025
- 223.1 mm Hg
- 347.9 mm Hg
- 357.9 mm Hg
- 337.9 mm Hg
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The Correct Option is B
Solution and Explanation
The total pressure of the solution can be calculated using Dalton's law of partial pressures. According to Dalton's law, the total pressure is the sum of the partial pressures of the individual gases.
\[
P_{\text{total}} = P_{\text{dichloromethane}} + P_{\text{chloroform}} = 285.5 \, \text{mm Hg} + 62.4 \, \text{mm Hg} = 347.9 \, \text{mm Hg}
\]
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