Ammonia gas can be prepared by the reaction CaO(s)+2NH₄​Cl(s)⟶2NH₃​(g)+H2₂O(g)+CaCl₂​(s) In an experiment, 34.1g of ammonia gas, NH₃​, is produced when it was predicted that 40 NH₃ would form.
What is the theoretical yield of NH₃?