Electrochemisty Lab Report

Topics: Electric charge, Electron, Electric current Pages: 2 (463 words) Published: February 18, 2013
Purpose: To use electrochemistry to extract metals from ionic compounds in solution

-Start by attaching battery snap connector to a battery and fill beaker with between 100 and 200 mL of copper (II) sulfate solution -Connect clip to each of the nickel strips
-Place nickel strips in copper sulfate solution without strips touching -Put one clip on the positive side of the battery and the second to the negative side. Observe -Switch clips to the opposite charged sides of the battery. Observe again -Reverse wiring to original spots

Q-what did you observe when you hooked up the nickel strips to the battery? A-the copper from the solution coated one of the nickel strips Q-what happened when you reversed the flow of electricity?

A-the copper from one strip was removed and then the other nickel strip got coated in copper from the solution Q-where does the copper come from that ends up on the nickel strips? A-the copper that ended up on the nickel strips was extracted from the copper sulfate solution when hooked up to the battery Q-what is in the copper sulfate solution?

A-the copper sulfate solution is made up of copper and sulfate Q-write a short paragraph explaining observations
A-When an electric current passed through the copper sulfate solution, the copper from the solution was extracted and the coated one of the nickel strips. When the clips were reversed, the copper from one of the nickels strips was removed and the copper then was coated on the other nickel strip. Q-what is the main difference between copper atoms and copper ions? A-the main difference between copper atoms and copper ions are that copper atoms don’t have a charge but copper ions do

In this lab we attempted to use electrochemistry to extract metals from ionic compounds in solution. In order to extract a metal from a solution, we had to use electrochemistry. To get the copper out of the solution, we used a battery to get an electric current to go through...
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