Copper(II) Chloride Titration Lab

For this lab we had to find out which of the six given test tubes (labelled from A-F) had a concentration of 1.0M. The test tubes all had CuCl2 mixed with water and each one had a different shade of light blue.




Materials :

1 Weighing scale
2 Plastic boats
1 Scoopula
1 Test Tube
1 Graduated Cylinder
1 Erlenmeyer Flask
CuCl2
Water
Flasks

Procedure:

1. We took two plastic boats and put an unknown amount of CuCl2 in one boat and weighed it. It weighed 1.93g without the plastic boat.
2. Then we put 50mL of water into a graduated cylinder and then we transferred the water into an Erlenmeyer flask and mixed the water with the 1.93g of CuCl2.
3. The we took the 1.93g of CuCl2 and converted the units into moles.
4. We took all of the given numbers and put it into the C1V1 = C2V2 dilution formula to find out how much water was needed to add to the solution so that the concentration will be 1.0M.
5. We needed 0.14L of water or 140mL into the first solution.
6. After adding 140mL of water to the original solution we transferred the solution into a test tube and compared it with the test tubes with unknown concentrations. 

Conclusion:

Our test tube colour matched with test tube C.

 -Benedict Suratos