Question: Nitrogen gas, N 2 , can be prepared by passing gaseous ammonia over solid copper(II) oxide, CuO, at high temperatures. The other products of the

Nitrogen gas, N₂, can be prepared by passing gaseous ammonia over solid copper(II) oxide, CuO, at high temperatures. The other products of the reaction are solid copper, Cu, and water vapor. In a certain experiment, a reaction mixture containing 18.1 g NH₃ and 90.4 g CuO yields 6.63 g N₂. Calculate the percent yield for this experiment.

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