A 15-G Sample of Lithium Is Reacted with 15 G

question 2

Multiple Choice

A 15-g sample of lithium is reacted with 15 g of fluorine to form lithium fluoride:
2Li + F₂ → 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

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