Question

During an experiment, the students were asked to prepare a 10% (mass/mass) solution of sugar in water. Ramesh dissolved 10 g of sugar in 100 g of water while Sarika prepared it by dissolving 10 g of sugar in water to make 100 g of the solution.
(a) Are the two solutions of the same concentration?
(b) Compare the mass % of the two solutions.

Answer 1

(a) No, the two solutions do not have the same concentration.
(b) The solution prepared by Ramesh has less percentage (9.09%) by mass than that of Sarika (10%).