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Topic: Science
Number of pages / Number of words: 6 / 1650
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267L manual, under experiment #2, with no changes (2).

Observations

? The addition of sulfuric acid to dissolve acetanilide produced a light brown solution with brown solid flakes. The cooling of this mixture produced no real change, with only a few more of the flakes dissolved.

? The addition of sulfuric acid and nitric acid produced a slightly cloudy solution...


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Heat was given off; thus an exothermic reaction.

? At the end of refluxing, the yellow precipitate dissolved to give a clear amber solution.

? Filtrate obtained from vacuum filtration was clear amber solution. The residue was very fine light brown powder.

? As concentrated ammonia hydroxide was added to basify, the solution became yellow-orange and cloudy...


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