Water Softeners Are Often Recharged by Adding Sodium Chloride, NaCl

question 48

Multiple Choice

Water softeners are often recharged by adding sodium chloride, NaCl. This would ____________ .

• A) displace the surfactant molecules
• B) lower the density of the solution making it less 'hard'
• C) increase the acidity of the ion-exchange resin
• D) flush the 'hard' ions out of the water softener
• E) None of the above.

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