Ammonia gas $($A$)$ is diffusing through a uniform tube $0\mathrm{.}10$ m long containing nitrogen gas $($B$)$ at a constant pressure of $1\mathrm{.}0132\backslash$times $105$ Pa and $303$ K$.$ At point $1,$ PA$1=1\mathrm{.}013\backslash$times $10*$ Pa and at point $2,$ Paz $=0\mathrm{.}507\backslash$times $104$ Pa$.$ The diffusivity DaB $=0\mathrm{.}89\backslash$times $10-4$ m$?$Answer questions $14-16.$m$3.$ PaR $=8\mathrm{.}314$mol. K$15-$Calculate the flux of ammonia.A$)2\mathrm{.}325\backslash$times $10-3$ molm$2.$ sC$)4\mathrm{.}741\backslash$times $10-3$ molm$2.$ sB$)6\mathrm{.}135\backslash$times $10-3$ mol m$2.$ sD$)1\mathrm{.}788\backslash$times $10-3$ mol m$2.$ s