Lithium and Nitrogen React in a Combination Reaction to Produce

question 160

Multiple Choice

Lithium and nitrogen react in a combination reaction to produce lithium nitride: 6Li(s) + (g) → N(s)
How many moles of lithium are needed to produce 0.40 mol of N when the reaction is carried out in the presence of excess nitrogen?

• A) 0.13
• B) 1.2
• C) 0.20
• D) 0.067
• E) 2.4

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