GEN CHEM & QUAL ANALY
GEN CHEM & QUAL ANALY CHM 2046
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This 1 page Class Notes was uploaded by Brigitte Wyman on Friday September 18, 2015. The Class Notes belongs to CHM 2046 at University of Florida taught by James Horvath in Fall. Since its upload, it has received 5 views. For similar materials see /class/207016/chm-2046-university-of-florida in Chemistry at University of Florida.
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Date Created: 09/18/15
Ryan Parrish CHM2046L UNKNOWN SCHEME 10 pH pH Description Description Al Al Zn Zn Cr Cr Fe Fe Add excess 3 6 M NH3 0 Precipitate o Al0H230H3 white gel 0 Cr0H230H3 grey blue solid 0 Fe0H230H3 red rusty solid 0 Supernatant ZnNH34 colorless CuNH34 blue violet 0 add TAA NaAc and heat ZnS CuS Add 6 M HCI o Precipitate CuS black 0 Mixture add NaOH 0 Precipitate ZnS white
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