__Na + __H2O --> NaOH + __H2
2) How many grams of magnesium oxide remain after 18.50g of magnesium oxide reacts with 30.30g of hydrochloric acid to produce magnesium chloride and water?
3) Which is the correct answer:
The first step in the Ostwald process for producing nitric acid is as follows:
4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g).
If the reaction of 15.0 g of ammonia with 15.0 g of oxygen gas yields 8.70 g of nitric oxide, what is the percent yield of this reaction?
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