CHEM 1&2 Lab Manual & worksheets pg 80

CHEM 1&2 Lab Manual & worksheets pg 80 - 2...

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Experiment 4: Synthesis of a Compound General Chemistry I and II Lab Manual Dakota State University Page 80 of 232 Calculations: Balance the reactions of each step of the reaction: (1) Dissolving the aluminum: Al (s) + H 2 SO 4 (aq) Al 2 (SO 4 ) 3 (aq) + H 2 (g) (2) Neutralizing the excess acid: H 2 SO 4 (aq) + KOH (aq) K 2 SO 4 (aq) + H 2 O (l) Precipitate the product: KAl(SO 4 ) 2 (aq) + H
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Unformatted text preview: 2 O (l) & KAl(SO 4 ) 2 . 9H 2 O (s) And balance the overall reaction: Al (s) + H 2 SO 4 (aq) + KOH (aq) + H 2 O (l) & KAl(SO 4 ) 2 . 9H 2 O (s) + H 2 (g) From the mass of the aluminum, calculate the theoretical yield of the Alum using standard stoichiometric calculations. From the theoretical yield and the actual yield, calculate the percent yield....
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This note was uploaded on 01/27/2012 for the course CHM 2045 taught by Professor Josephwalter during the Fall '11 term at Dakota State.

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