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The mole fraction is always a value that lies between 0 and 1, meaning it cannot be negative or exceed 1.

1. Correct
2. Incorrect
3. Indeterminate
4. Not applicable

Correct answer: Correct

Solution

The mole fraction is defined as the ratio of the number of moles of a component to the total number of moles in the mixture. Since it is a ratio, it always lies between 0 and 1.

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