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

Mass percent = (Mass of solute / Total mass of solution) X 100

Solution prepared by Ramesh:

Mass% = [10/ (100+10)] X 100 = 9.09%
 Solution prepared by Sarika:

Mass% = [10/ 100] X 100 = 10%

The solution prepared by Sarika has a higher mass % than that prepared by Ramesh.

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Updated on: 19-Jan-2023

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