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प्रश्न
What is the concentration of a solution which contains 16 g of urea in 120 g of solution ?
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उत्तर
Given, Mass of urea = 16 gm
Mass of solution = 120 gm
`"concentration" = "mass of solute"/"mass of solute + mass of solvent"xx100`
`=16/20xx100`
= 13.333%
Therefore, the concentration is 13.333%.
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