A number of homes have hard water, which, as you learned
Chapter 5, Problem 5.1.62(choose chapter or problem)
A number of homes have hard water, which, as you learned in the Start-Up Activity, does not produce as many soap suds as water that contains fewer ions. Such homes often have water conditioners that remove the ions from the water, making it softer and more likely to produce soapsuds. Research how such water softeners operate by checking the Internet or by contacting a company that sells such devices. Design an experiment to test the effectiveness of the softener in removing ions from water.
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