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In a non-ideal solution, what type of plots of vapor pressure versus mole fractions are observed for solutions that exhibit positive deviations from Raoult's law?

Options

  1. ALinear
  2. BConcave upward
  3. CConcave downward
  4. DExponential

Correct answer

B. Concave upward

Step-by-step solution

In non-ideal solutions with positive deviations, the plots of vapor pressure versus mole fractions are typically concave upward.

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