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At 298 ~K , 0.714 moles of liquid A is dissolved in 5.555 moles of liquid B. The vapour pressure of the resultant solution is 475 torr. The vapour pressure of pure liquid A at the same temperature is 280.7 torr. What is the vapour pressure of pure liquid B in torr?

Options

  1. A486
  2. B550
  3. C514
  4. D500

Correct answer

D. 500

Step-by-step solution

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