A Small Amount, 6

question 79

Multiple Choice

A small amount, 6.78 g, of pentane (C₅H₁₂) is mixed with 100.00 g 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) 201 Torr
• B) 158 Torr
• C) 183 Torr
• D) 164 Torr
• E) 172 Torr

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