What Is the Mole Fraction of Urea,CO(NH₂)₂,in a Solution Prepared

question 49

Multiple Choice

What is the mole fraction of urea,CO(NH₂) ₂,in a solution prepared by dissolving 4.8 g of urea in 30.3 g of methanol,CH₃OH?

• A) 0.86
• B) 0.14
• C) 0.078
• D) 0.92
• E) 0.23

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