Four Times as Much Pentane (C₅H₁₂) by Mass Is Mixed

question 159

Multiple Choice

Four times as much pentane (C₅H₁₂) by mass is mixed with hexane (C₆H₁₄) . Calculate the vapour pressure of the resulting solution. The vapour pressures of pure pentane and hexane are 425 Torr and 151 Torr, respectively. Assume ideal behaviour.

• A) 214 Torr
• B) 378 Torr
• C) 385 Torr
• D) 203 Torr
• E) 365 Torr

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