Question

10kg of solute is added to 20litres of water. Express the concentration of the solution in:
(I) Mass by mass percentage of Solution
(ii) Mass by volume percentage solution
(iii) Mass by mass percentage Solvent
(iv) Mass by volume percentage solvent?

Answer 1

Mass by mass percentage of solution = (mass of solute/mass of solute+solvent)×100 mass percent=(10/10+20)×100mass by mass percent=10/30 ×100mass by mass percent =33.33 %Mass by volume percentage of solution=(mass of solute/volume of solution)×100mass by volume percent=(10/20)×100mass by volume percent =50%

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