When heated, Iithium reacts witn nitrogen to form litnium nitride: 6Liisst Ng!g) 2 Lig Nis) alg)→2 LigNis) What is the theoretical yeild of LizN when 18.89 of Li Is heated With 34.9G 'of N2? 3sigfig ingrams of Li IS neated with 3y.

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Chapter1: Chemical Foundations
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When heated, Iithium reacts witn nitrogen to
form litnium nitride:
6Liisst Ng!g) 2 Lig Nis)
alg)→2 LigNis)
What is the theoretical yeild of LizN
when 18.89 of Li Is heated With 34.9G 'of N2?
3sigfig
ingrams
of Li IS neated with 3y.
Transcribed Image Text:When heated, Iithium reacts witn nitrogen to form litnium nitride: 6Liisst Ng!g) 2 Lig Nis) alg)→2 LigNis) What is the theoretical yeild of LizN when 18.89 of Li Is heated With 34.9G 'of N2? 3sigfig ingrams of Li IS neated with 3y.
Expert Solution
Step 1

given the mass of Li(s) = 12.8 g 

molar mass of Li = 6.94 g/mol

=> moles of Li = 12.8 g * (1 mol/6.94 g) = 1.84438 mol

given the mass of N2 = 34.9 g 

molar mass of N2 = 28.01 g/mol

=> moles of N2 = 34.9 g * (1 mol/28.01 g) = 1.246 mol

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