• Hardness Of Water Edta Ppm Tap
    2,333 words
    Water is the most important molecule that exists on the Earth. Without water living beings would not be able to live. Water is used for an immeasurable number of things. There are many properties of water, which makes this molecule so unique. One which people overlook is hardness. Hardness is defined in the Chemistry: The Central Science by Prentice Hall's as being "water that contains a relatively high concentration of Ca 2+, Mg 2+, and other divalent cations." Water containing these ions is no...
  • Hard Water Ions Sample Concentration
    1,291 words
    The purpose of this experiment is to explore the hardness of the water on campus. Hard water has been a problem for hundreds of years. One of the earliest references to the hardness or softness of water is in Hippocrates discourse on water quality in Fifth century B. C. Hard water causes many problems in both in the household and in the industrial world. One of the largest problems with hard water is that it tends to leave a residue when it evaporates. Aside from being aesthetically unpleasing ...
  • Foul Water Report Activity
    547 words
    Purpose: The purpose of this lab is to purify as much foul water as possible by doing three procedures which are, oil water separation, sand filtration, and charcoal absorption / filtration . Procedure 1) Obtain approximately 100 mL (milliliters) of foul water from your teacher. Measure its volume precisely with a graduated cylinder; record the actual volume of the water sample (with units) in your data table. 2) Examine the properties of your sample: color, clarity, odor, and presence of oily o...
  • Foul Water Science Report
    645 words
    Foul Water Report Purpose: The purpose of this lab is to purify as much foul water as possible by doing three procedures which are, oil water separation, sand filtration, and charcoal absorbtion / filtration . Procedure: 1. Obtain approximately 100 mL of foul water, provided by your teacher. Measure its volume precisely with a graduated cylinder: record the value (with units) in your data table. 2. Examine the properties of your sample color, odor, clarity, presence of solids of oily regions. R...