P-9
OBSERVATIONS SHEET - EXPERIMENT P
ELECTROLYSIS
Buret readings must be to 0.02 mL accuracy (Refer to p.20 for further information regarding
buret readings.)
Part I:
Laboratory
Atmospheric
Water
Temperature____________
Pressure___________
Vapor Pressure__________
Mass of
copper (g)
Buret Reading
(mL)
Time
(seconds)
Current
(mA)
Height of water
column (mm)
Run I
Initial Reading
Final Reading
Change
AVERAGE
Run II
Initial Reading
Final Reading
Change
AVERAGE
Run III (if required)
Initial Reading
Final Reading
Change
AVERAGE
Part II: Observations (Record any indication of reaction; e.g. gas bubbles, changes in metal
strip, etc.)
Observations
Conclusion about
solution
Cu
(s)
Zn
(s)
relative reactivity?
6.0 M HCl
0.10 M Cu(NO3)2
0.10 M Zn(NO3)2