反应详情

Melamine molybdate was prepared in the presence of benzoic acid as follows. 5 grams of melamine, 9.68 grams of benzoic acid, and 250 ml water were dissolved together by refluxing in a 500 ml round-bottomed flask equipped with a stirrer and water-cooled condenser. 13.47 grams of ammonium dimolybdate was dissolved in 25 ml hot water and then added to the first solution. A white precipitate formed immediately.

1. temperatureby refluxing in a 500 ml round-bottomed flask
2. customequipped with a stirrer
3. additionadded to the first solution
4. customA white precipitate formed immediately