raoult's law ideal solution

Question

An ideal binary solution has components A and B. Total vapor pressure is given by:

RankGuru · Accepted Answer

1. **Raoult's Law**: For a solution of volatile liquids, the partial vapor pressure of each component ($P_i$) is directly proportional to its mole fraction ($x_i$) in the solution.
2. **Component A**: $P_A = x_A 	imes P_A^\circ$, where $P_A^\circ$ is the vapor pressure of pure A.
3. **Component B**: $P_B = x_B 	imes P_B^\circ$, where $P_B^\circ$ is the vapor pressure of pure B.
4. **Dalton's Law**: The total pressure ($P_{total}$) above the solution is the sum of the partial pressures:
   $P_{total} = P_A + P_B = \mathbf{x_A P_A^\circ + x_B P_B^\circ}$.
5. **Significance**: Ideal solutions strictly follow this relationship across the entire range of concentrations.

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raoult's law ideal solution

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