The Concentration of Urea in a Solution Prepared by Dissolving

question 137

Multiple Choice

The concentration of urea in a solution prepared by dissolving 16 g of urea in 25 g of H₂O is ________% by mass. The molar mass of urea is 60.0 g/mol.

• A)39
• B)64
• C)0.39
• D)0.64
• E)0.48

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