Name one concentration expression which is unit less
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Answer : Molality is measured as and the unit is molal or moles per kg. ... Mole fraction is calculated as and it does not have units as it is a fraction. Mass Percent is calculated as and it is unitless as it is a ratio multiplied by 100.
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Mass percent =Mass of solutionMass of solute×100
Mole Fraction: It is the ratio of number of moles of a particular component to the total number of moles of the solution.
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