What Is the Vapor Pressure at 75°C of an Aqueous

question 70

Multiple Choice

What is the vapor pressure at 75°C of an aqueous solution prepared by the addition of 58.4 g of the nonvolatile solute urea,CO(NH₂) ₂,to 172 g of water? The vapor pressure of pure water at 75°C is 290.mmHg.

• A)136 mmHg
• B)26.8 mmHg
• C)153 mmHg
• D)263 mmHg
• E)216 mmHg

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