33567-Exp3-NewAaron - Name: Aaron New The Determination of...

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Name: Aaron New The Determination of a Chemical Formula Data Table grams grams 64.0878 47.1416 65.0855 48.1661 0.9977 1.0245 64.9283 47.9374 Mass of dehydrated sample 0.8405 0.7958 0.1572 0.2287 64.6757 64.0883 65.0337 64.4548 Mass of copper 0.3580 0.3665 Mass of copper 1. How many grams and moles of water were in your sample of copper chloride hydrate? Trial a: 0.1572 grams, 8.73*10^-3 moles Trial b: 0.2287 grams, 1.27*10^-2 moles 2. How many grams and moles of copper were in your sample of copper chloride hydrate? Trial a: 0.3580 grams, 5.63*10^-3 moles Trial b: 0.3665 grams, 5.77*10^-3 moles 3. How many grams and moles of chlorine were in your sample of copper chloride hydrate? Trial a: 0.4825 grams, 1.36*10^-2 moles Trial b: 0.4293 grams, 1.21*10^-2 moles 1:2.4:1.55 1:2.1:2.2 CuCl_2.2H_2O 6. Give the reaction equation between Al wire and the copper salt solution. 2Al + 3CuCl_2 --> 2AlCl_3 + 3 Cu ` a. Dehydration via Oven b. Dehydration via Direct Heat Calculation Checks Mass of Watch Glass
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This note was uploaded on 10/16/2011 for the course CHM 151 taught by Professor Yiguo during the Fall '09 term at Chandler-Gilbert Community College.

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