6. Urea (CH4N₂O) is a common fertilizer that is synthesized by the reaction of ammonia

(NH3) with carbon dioxide (CO₂).

2 NH3 + CO₂--> CH4N₂O + H₂O

In an industrial synthesis of urea, a chemist combines 1.364 X 10^5 g of NH3 with 2.114 X

10^5 g of CO₂. The reaction was performed and 1.684 X 10^5 g of urea was obtained.

Determine the limiting reactant, theoretical yield, and percent yield for the production

of urea.