**Problem:**Biphenyl, \( \text{C}_{12}\text{H}_{10} \), is a nonvolatile, nonionizing solute that is soluble in benzene, \( \text{C}_6\text{H}_6 \).At 25°C, the vapor pressure of pure benzene is 100.84 Torr. What is the vapor pressure of a solution made from dissolving 10.0 g of biphenyl in 29.4 g of benzene?**Solution:**\[ P_{\text{solution}} = \]**Torr***Explanation:*The problem involves calculating the vapor pressure of a solution using Raoult's Law, which states that the vapor pressure of a solvent in a solution is proportional to the mole fraction of the solvent. The nonvolatile solute decreases the vapor pressure of the solvent compared to the pure solvent.

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5 °C, the vapor pressure of pure benzene is 100.84 Torr. What is the vapor pressure of a solution made from dissolving Og of biphenyl in 29.4 g of benzene?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

**Problem:**

Biphenyl, \( \text{C}_{12}\text{H}_{10} \), is a nonvolatile, nonionizing solute that is soluble in benzene, \( \text{C}_6\text{H}_6 \).

At 25°C, the vapor pressure of pure benzene is 100.84 Torr. What is the vapor pressure of a solution made from dissolving 10.0 g of biphenyl in 29.4 g of benzene?

**Solution:**

\[ P_{\text{solution}} = \]

**Torr**

*Explanation:*

The problem involves calculating the vapor pressure of a solution using Raoult's Law, which states that the vapor pressure of a solvent in a solution is proportional to the mole fraction of the solvent. The nonvolatile solute decreases the vapor pressure of the solvent compared to the pure solvent.

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