An Ideal Solution Is Formed from a Mixture of the Nonvolatile

question 21

Multiple Choice

An ideal solution is formed from a mixture of the nonvolatile solute urea,CO(NH₂) ₂,and methanol,CH₃OH.The vapor pressure of pure methanol at 20°C is 89 mmHg.If 4.4 g of urea is mixed with 39.9 g of methanol,calculate the vapor pressure of the methanol solution.

• A)4.9 mmHg
• B)80 mmHg
• C)74 mmHg
• D)15 mmHg
• E)84 mmHg

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