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Question

A solution contains 50g of common salt in 400g of water. Calculate the concentration in terms of mass by mass percentage of the solution.


A

9.7%

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B

9.99%

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C

11.11%

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D

11.50%

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Solution

The correct option is C

11.11%


Mass of solute = 50g

Mass of solvent = 400g

Mass of solution = Mass of solute + mass of solvent = 50 + 400 = 450g

Mass percentage of solution = mass of solutemass of solution×100 = 50450×100 = 11.11%


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