How Many Grams of O₂ Are Needed to React Completely

question 70

Multiple Choice

How many grams of O₂ are needed to react completely with 28.0 g of Li in the following, 2 Li + O₂ → Li₂O?

• A)64.0 g
• B)32.0 g
• C)7.0 g
• D)256.0 g

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