Foul Water Lab
Name ___________________________
Partners: (Include the last name of the classmate you worked with.)
Objective: (What was the purpose of the lab?)
Sketch/Method: (Draw a sketch and identify the three steps used to clean the foul water.)
Step 1
Data:
Step 2
Step 3
Calculations: (Calculate the % of water collected after each purifying process using the equation)
% Water Purified =
volume of water purified x 100%
100 ml water
Show equation, substitution and
calculated percentage.
Step 1
Step 2
Step 3
Interpretation:
(Answer the following questions.)
1. What contaminant was removed in each step of the purifying process?
Oil water separation?______________________________________________________
Sand filtration?____________________________________________________________
Charcoal adsorption?_______________________________________________________
2. What percentage of water was saved after purification?
___________________
3. Was the remaining water after purification really pure? What contaminants might remain in the water after
finishing the lab?
________________________________________________________________________________________