Question

A solution has been prepared by dissolving 5 g of urea in 95 g of water. what is mass percent of urea in solution

Answer 1

mass %= 5/5+95×100
=5/100×100
=0.05%×100
=5%
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Answer 2

Hey !!

Mass percent = Mass of solute / Mass of solvent × 100

Mass of urea = 5g , Mass of water = 95 g

Mass percent of urea = $\frac{5g}{5g + 95g} = 5$%

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