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  4. Unit of mole fraction is:

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Q. Unit of mole fraction is:

BHUBHU 2005

Solution:

Mole fraction has no unit. It is dimensionless because
$ Mole\text{ }fraction=\frac{no.\text{ }of\text{ }moles\text{ }of\text{ }component}{total\text{ }moles} $
The unit of moles get cancelled.