Calculate the Vapour Pressure of Pure Water at 65 °C

question 54

Multiple Choice

Calculate the vapour pressure of pure water at 65 °C if a 465 mL solution containing 123.0 g of ribose, C₅H₁₀O₅, has a vapour pressure of 247.54 mbar. Assume no change in volume occurs upon dissolution.

• A) 264 mbar
• B) 239 mbar
• C) 309 mbar
• D) 363 mbar
• E) 255 mbar

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