Sulfur reacts with oxygen to produce sulfur trioxide. If 58.7 mol/h of each reactant enters the reactor, and the reaction proceeds such that the fractional conversion of the limiting reactant is 0.28,...

Sulfur reacts with oxygen to produce sulfur trioxide. If 58.7 mol/h of each reactant enters the reactor, and the reaction proceeds such that the fractional conversion of the limiting reactant is 0.28, how much of the excess reactant (mol/h) exits the reactor?