In the Presence of Cyanuric Acid (C₃H₃N₃O₃), Melamine (C₃H₆N₆) Can

In the presence of cyanuric acid (C₃H₃N₃O₃) , melamine (C₃H₆N₆) can form crystals that potentially cause renal failure if ingested.Which contains the most nitrogen?

A) 1.22 * 10²⁴ C₃H₆N₆ molecules
B) 2.78 mol C₃H₆N₆
C) 6.54 * 10²⁴ C₃H₃N₃O₃ molecules
D) 10.3 mol C₃H₃N₃O₃
E) 2.56 mol C₃H₆N₆ + 2.56 mol C₃H₃N₃O₃