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Urea,#(NH_2)_2CO#, is prepared by the reaction between ammonia and carbon (IV) oxide.
#2NH_3(g)+CO_2(g)to(NH_2)_2CO(aq)+H_2O(l)#
In the process, 680kg of ammonia were reacted with excess carbon (IV) oxide.
Calculate the mass of urea that was formed. (H=1.0, C=12.0, N=14.0, O=16.0
and relative molecular mass of ammonia=17)