Question

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.
(1) Are the two solutions of the same concentration?
(2) Compare the mass% of the two solutions.
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Answer 1

1) No, the concentration of the solutions are not the same

2) Mass of ramesh's soultion = 10g + 100g = 110g

Mass of Sarika's solution = 100g

Comparison = 110/100 = 11 : 10

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