A solution is prepared by dissolving 10 grams of solute in 100 grams of water. Calculate the mass percentage of the solution.

9.09%

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10%

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9.90%

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10.09%

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Solution

The correct option is A 9.09%
Mass percentage is used to measure the concentration of a solution. A solution contains solute and solvent.

Mass percentage of a solution $= \frac{Mass of the solute}{Mass of the solution} \times 100$

Given, mass of solute = 10 g
mass of solvent = 100 g
The total amount of solution = 10 + 100 = 110 g

Mass percentage of a solution = $\frac{10}{110} \times 100 = 9.09 %$

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