Mr. O
Lab 25 Acids and bases
Name:
Materials:
6M HCl, 6M HC2H3O2, .5M NaOH, Mg, Fe, Al, Cu, and Zn
Procedure: Part A
Data Table
Red
Blue
PH
Bromothymol Phenolphthalein
litmus
Litmus
Paper
Blue
6M HCl
6M
HC2H3O2
.5M
NaOH
Part B
Use the following well tray place the metals in separate wells.
Test each metal with the two acids in the table. Comparative reactivity (very
fast, fast, slow, very slow)
6M HCl
6M HC2H3O2
Zn
Mg
Fe
Al
Cu
Equations: Write the following equations
1. Each metal with HCl
2. Each metal with HC2H3O2
Conclusions and questions
1. What type of reaction occurs between a metal and an acid? Write a general
equation for this type of reaction?
2. Explain the difference in reaction rates between the two different acids.
3. Why does Cu look as if it reacted?
4. What type of gas is liberated during a acid metal reaction?
5. What type of acid is normally found in rain? Acid rain?