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Percentage Composition

If a solution...

Question

If a solution contains 34.2 g of sugar in 100 g of water. Find the concentration inn terms of mass by mass percentage of the solution?

A

20 %

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B

25.48 %

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C

50 %

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D

10 %

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Solution

The correct option is B 25.48 %
Mass of sugar $= 34.2 g m$

Mass of the solution $34.2 + 100 = 134.2 g m$

$∴$ Concentration $= \frac{34.2}{134.2} \times 100 = 25.48 %$

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