The balanced chemical reaction is:
CO(NH2)2(l) → HNCO(l) + NH3(g)
6 HNCO(l) →= C3N3(NH2)3(l) + 3 CO2(g)
(170.50 kg CO(NH2)2) / (60.0553 g CO(NH2)2/mol) x (1 mol HNCO
/ 1 mol CO(NH2)2) x
(1 mol C3N3(NH2)3 / 6 mol HNCO) x (126.1199 g C3N3(NH2)3/mol)
x (0.770) = 45.95 kg C3N3(NH2)3