A liquid mixture containing (50 mathrm{~mol} %)-heptane (A) and (50 mathrm{~mol} %)-octane (B), at (303 mathrm{~K}), is

Question:

A liquid mixture containing $50 \mathrm{~mol} \%$-heptane (A) and $50 \mathrm{~mol} \%$-octane (B), at $303 \mathrm{~K}$, is to be continuously flash-vaporized at a temperature of $350 \mathrm{~K}$ to vaporize $30 \mathrm{~mol} \%$ of the feed. What will be the composition of the vapor and liquid and the pressure in the separator if it behaves as an ideal stage?

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