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Which of the following terms are unitless?

(i) Molality

(ii) Molarity

(iii) Mole fraction

(iv) Mass percent

Answers (1)

The answer are the options (iii) and (iv)


Mole Fraction: It is the particular ratio of the substance in the solution in comparison to the total components of the solution. It is the ratio of the number of moles of the particular component to the total number of moles in the solution.

While, Mass percent=\frac{Mass\; of\; solute}{Mass\; of\; solution}\times 100



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