Question

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

Answer 1

☆Solution: -

》solute = urea = 5g

》solution = solute + solvent

• solution = urea + water
• solution = 5g +95g
• solution = 100grams.

》mass% = $( \dfrac{mass\;of\;solute}{mass\;of\;solution})×100$

》mass%= $( \dfrac{5g}{100g})×100$

》mass% = 5%

so, mass percent of urea in the solution is 5%

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