Percent Yield?

Question

When 0.50 moles of lithium is reacted with excess nitrogen, 0.15 moles of lithium nitride are formed. What is the percent yield of the reaction? I got 90%, but teacher said 30%. Please verify

Answer 1

The formula of lithium nitride is Li3N. To form 0.15 moles of lithium nitride, 0.45 moles of lithium is reacted. The percent yield of the reaction is 90%, and you are right!