question_answer 60)

  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:

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