A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride:
2 Li + F2 ➔ 2 LiF
After the reaction is complete, what will be present?
a) 2.16 moles lithium fluoride only
b) 0.789 moles lithium fluoride only
c) 2.16 moles lithium fluoride and 0.395 moles fluorine
d) 0.789 moles lithium fluoride and 1.37 moles lithium
e) none of these answers is correct
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