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The vapour pressure of methyl alcohol a...

The vapour pressure of methyl alcohol at `298 K` is 0.158 bar. The vapour pressure of this liquid in solution with liquid `B` is 0.095 bar. Calculate the mole fraction of methyl alcohol in the solution if the mixture obeys Raoult's law.

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To solve the problem, we will use Raoult's law, which states that the vapor pressure of a solvent in a solution is equal to the vapor pressure of the pure solvent multiplied by its mole fraction in the solution. ### Step-by-Step Solution: 1. **Identify the Given Data:** - Vapor pressure of pure methyl alcohol (P₀A) = 0.158 bar - Vapor pressure of the solution (P) = 0.095 bar ...
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