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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. What is the mass percentage of solution prepared by Ramesh and Sarika?

A
9.09%, 9%
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B
9%, 10%
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C
10%, 9.09%
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D
9.09%, 10%
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Solution

The correct option is C 9.09%, 10%mass percent=Mass of soluteTotal mass of solution×100Solution prepared by Ramesh is:Mass % = (1010+100)100=10110×100=9.09 %Solution made by Sarika is: Mass % =10100×100=10%The solution prepared by Sarika has a higher mass % than that prepared by Ramesh.

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