12. 50.0 g N
2O
4與45.0 g N
2H
4的反應中,其limiting reactant (LR)和N
2的質量(in g)各為何?(N
2O
4 = 92.02 g/mol, N
2H
4 = 32.05 g/mol)
N2O4(l) + 2 N2H4(l) → 3 N2(g) + 4 H2O(g)
(A) LR = N2H4, 59.0 g N2 formed
(B) LR = N2O4, 105 g N2 formed
(C) LR = N2O4, 45.7 g N2 formed
(D) LR = N2H4, 13.3 g N2 formed
(E) No LR, 45.0 g N2 formed