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| https://en.wikipedia.org/wiki/Metallurgy_during_the_Copper_Age_in_Europe |
Monday, December 14, 2015
Iron Lab
The Iron Lab was a very interesting lab. First, we put a polished iron nail in a solution of water and Copper(II) Chloride in a baby food jar. Then, we let it sit overnight in order to let the entire reaction take place. The next day, we took out the nail and washed all of the copper off of it. Next, we drained the excess fluid from the jar of copper, then washed it with water. We repeated the draining process, then washed the copper again with HCl, and we drained it once again. then, we shook the jar a little bit in order to allow the solution to dry easier. We let the copper dry over the weekend, then took the mass of it today. The purpose of the experiment was to determine the theoretical and actual yield of Copper, and then to determine the percent yield of the Copper. This was a really cool lab!
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I thoroughly enjoyed the iron lab. It was probably the most fun I've had on a lab this year. It was very neat seeing the transformation of the nail, and seeing how much the mass has changed.
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