What is the sum of the mole fraction of all the components in a t
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    Multiple Choice QuestionsShort Answer Type

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    39. What is the sum of the mole fraction of all the components in a three component system?

    Answer:

    Some of the mole fractions of all the components is unity.
    x1 + x2 + x3 = 1.
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    40. What is meant by vapour pressure? What is effect of temperature on it?
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