A 15-G Sample of Lithium Is Reacted with 15 G $\rightarrow$

A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride: 2Li + F₂ $\rightarrow$ 2LiF.
After the reaction is complete, what will be present?

A) 2.16 mol lithium fluoride and 0.395 mol fluorine
B) 0.789 mol lithium fluoride and 1.37 mol lithium
C) 0.789 mol lithium fluoride only
D) 2.16 mol lithium fluoride only
E) none of these