text: I dont know if I understand what you are asking me, but this is what I got out of it:\n\n.4grams/3mols = 2.56grams/X\n.4X=7.68\nX= 19.2 mols\n\nMaybe if you reword the question or let me know exactly you are looking for I can help further, but for now this is what I got out of your question!