An aqueous solution of ammonium nitrite decomposes when heated to give off nitrogen gas and water. This reaction can be used to prepare pure nitrogen gas. How many grams of ammonium nitrite must have reacted if 3.75 liters of nitrogen gas was collected over water at 25˚C and 97.8 kPa? I solved it and got 11.8g but my teacher said its wrong because of the over water thing. Can you show me steps to get the correct answer. Thanks
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