Recent content by minime191

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    Why Do Water Softeners Prefer Calcium Over Sodium Ions?

    Homework Statement Explain the following features of ion-exchange resins in a home water softener. (a) Negatively charged sulfonate “sites” on resin molecules attract Ca2+ (aq) ions better than Na+ (aq) ions. (Consider the ion charges in your answer.) (b) Sodium ions from saturated NaCl(aq)...