$544904$ s$929158.$quszy?

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Manuel and Faustina adjust the steady state operating conditions of a stripping column to $2\mathrm{.}21$ atm $($gauge$)$ and $141C.$ A liquid stream consisting of $22\mathrm{.}2$ mol$\%$ n$-$octane $(C_8{H}_{18})$ and the balance a heavy hydrocarbon is fed at $1970mo\frac{l}{h}r$ to the top of a stripping column. The liquid stream is contacted with an upward flowing gas stream, which enters the column as pure nitrogen $(N_2)$ at $474K$ and $104$kPa. The residual liquid leaves the bottom of the column containing all of the heavy hydrocarbon and $7\mathrm{.}39\%$ of the n$-$octane entering the column. The exiting gas is in equilibrium with the entering liquid. Determine the following three unknowns:

Mole fraction of $n-$octane in the exiting gas $=$

Total flow rate of the exiting liquid stream $=$

Ex: $2\mathrm{.}00E+3$

$mo\frac{l}{h}r$

Volumetric flow rate of nitrogen entering $=$

Ex: $1630$

$\frac{L}{m}in$