Student Information: - Virginia Department of Education

mole fraction (X) and mole % moles of component / total moles of all components A . component . is any substance in the solution so it can be a solute or the solvent. mole % = mole fraction x 100. mass fraction and mass (or weight) percent (%) mass fraction = mass of component / total mass of soln. mass % = mass fraction x 100 ................
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