Liquid n-hexane and liquid n-heptane mix to form a practically ideal solution. If of pure n-hexane is gently mixed with exactly of pure n-heptane at a constant temperature, what will be the exact tota

Question

Liquid n-hexane and liquid n-heptane mix to form a practically ideal solution. If $40	ext{ mL}$ of pure n-hexane is gently mixed with exactly $60	ext{ mL}$ of pure n-heptane at a constant temperature, what will be the exact total final volume of the resulting mixture in $	ext{mL}$?

Prashant Kotian · Accepted Answer

Correct answer: 100. Because n-hexane and n-heptane form an ideal solution, the change in volume upon mixing () is exactly zero. Therefore, the total volume is perfectly additive: .

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