Pages

Friday, July 19, 2013

Retrieving Copper

CuO and HCl

Cu in the filter paper


Zinc reacting in HCl





1. a. Lots of copper (Cu) fell to the bottom beaker instead of staying in the mixture.
    b. Raise the temperature of the mixture so that more copper would dissolve in the mixture.

2. a. The amount of copper that reacted was .7 grams of Cu
    b. The percent that reacted was 30%

3. a. Cu2++Zn à Cu+ Zn2+

    b. 
  • Zinc
  • Copper
  • Copper
  • Zinc'
4. a red copper color
    b. 







No comments:

Post a Comment