The Chemistry of Natural Water INTRODUCTION 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 …showed first 75 words of 2227 total…

…showed last 75 words of 2227 total…hypothesis would have to be revised and as of this point, without further investigation, it would have to be reformulated to say that only the Ca++ would decrease in concentration whereas the Mg++ would increase. REFERENCES 1) Brown, Theodore L. et al; Chemistry The central Science; Sixth Edition; Prentice Hall, Englewood Cliffs, NJ; ©1994 2) Stephen Thompson; Penn State Version of...Chemtrek; August 1996 - July 1997; Prentice Hall; Englewood Cliffs, NJ; © 1990 3) Internet Resource; http://www.kinetico.com/hard.htm