Answer:
Mass percentage is calculated as the mass of a component divided by the total mass of the mixture, multiplied by 100%.
1. Also Known As: mass percent, (w/w)%
2. mass percent = (mass of element in 1 mole of compound / mass of 1 mole of compound) x 100.
3. mass percent = (grams of solute / grams of solute plus solvent) x 100.