?Hard water often contains dissolved \(Ca^{2+}\) and \(Mg^{2+}\) ions. One way to soften
Chapter 5, Problem 79(choose chapter or problem)
Hard water often contains dissolved \(Ca^{2+}\) and \(Mg^{2+}\) ions. One way to soften water is to add phosphates. The phosphate ion forms insoluble precipitates with calcium and magnesium ions, removing them from solution. A solution is 0.050 M in calcium chloride and 0.085 M in magnesium nitrate. What mass of sodium phosphate would you add to 1.5 L of this solution to completely eliminate the hard water ions? Assume complete reaction.
Text Transcription:
Ca^2+
Mg^2+
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