A mixture of $C3,C4,$ and $C6$ hydrocarbons: $30$mol$\%$ propane $(C3),30$mol$\%n-$butane $($C$4),$ and $40$mol$\%n-$hexane $($C$6)$ is flashed at $120a$ and $212F$ at a flowrate of $100$kmo$\frac{l}{h}.$ Find the compositions and flow rates of the resulting vapor and liquid streams.

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