In case of an ideal solution, the total vapor pressure varies ______________ with the composition expressed as mole fraction?
Correct answer: B. Linearly
- A. Inversely
- B. Linearly
- C. Exponentially
- D. None of these
Explanation
For an ideal solution, Raoult's law gives total pressure as the sum of each component's vapour pressure contribution, so it varies linearly with mole fraction. The slope depends on the saturation vapour pressures of the components.
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