X Xenia New member Apr 22, 2009 #1 A sample of hard water contains approximately 2.0X10^-3 M Ca 2+, a soluble fluoride-containing salt, NaF is added to "fluoride" the water. What is the maximum concentration of F- that can be present without causing the precipitation of Ca 2+?
A sample of hard water contains approximately 2.0X10^-3 M Ca 2+, a soluble fluoride-containing salt, NaF is added to "fluoride" the water. What is the maximum concentration of F- that can be present without causing the precipitation of Ca 2+?
