Question: what is the empirical formula for ammonium oxalate?
Answer: Ammonium oxalate Formula. Ammonium oxalate, also known as diammonium ethanedioate is the salt of oxalic acid with ammonium. It is a common salt used in analysis to determine metal concentrations. Formula and structure: The chemical formula of ammonium oxalate is (NH4)2C2O4 or NH4OOCCOONH4.