Lithium and Nitrogen React in a Combination Reaction to Produce

question 140

Multiple Choice

Lithium and nitrogen react in a combination reaction to produce lithium nitride: 6Li (s) + N₂ (g) → 2Li₃N (s)
How many moles of lithium are needed to produce 0.45 mol of Li₃N when the reaction is carried out in the presence of excess nitrogen?

• A)0.23
• B)1.4
• C)0.15
• D)0.30
• E)2.7

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