Iron and copper lab

Iron and copper lab - Moles of Iron and Copper Purpose To...

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Moles of Iron and Copper
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Purpose: To determine the number of moles of iron that react and moles of copper produced when using a chemical reaction between Iron and Copper (II) Chloride. Hypothesis: If there is a chemical reaction between Iron and Copper (II) Chloride then there will be a few moles produced because when balancing the formula and determining the moles, you get a few. Variables: Independent Variable: The time Dependent Variable: Reaction Control Variable: Iron, Copper (II) Chloride Procedure: 1. Obtain an iron piece and a paper towel 2. Get a beaker of distilled water 3. Find the total mass of the iron piece 4. Using a sharpie write groups initials on an empty cup. 5. Find the mass of the cup. Day 1 1. Put one, heaping plastic spoonful of copper (II) chloride into plastic cup. 2. Pour about 50 mL of distilled water into the cup. (This should make a saturated solution.) 3. Place the iron piece (nail head down, pointy end up) into the solution. Observe the piece surface closely for 2-3 minutes and record any observations 4. Allow the iron piece to sit in the copper (II) chloride solution undisturbed over night in the labeled storage area. Day 2
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This note was uploaded on 02/07/2012 for the course ECON 101 taught by Professor Carr during the Spring '08 term at greenriver.edu.

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Iron and copper lab - Moles of Iron and Copper Purpose To...

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