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The vapour pressure of acetone at 298 K ...

The vapour pressure of acetone at `298 K` is `40 mm` of `Hg`. Its mole fraction in a solution with alcohol is `0.80`. What is its vapour pressure in solution if the mixture obey Raoult's law?

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To solve the problem, we will follow these steps: ### Step 1: Identify the given data - The vapor pressure of pure acetone (P₀ₐ) at 298 K is 40 mm of Hg. - The mole fraction of acetone (Xₐ) in the solution is 0.80. ### Step 2: Apply Raoult's Law According to Raoult's Law, the vapor pressure of a component in a solution (Pₐ) is given by the equation: ...
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