Hard water often contains dissolved ca2 and mg2 ions one, Chemistry

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Hard water often contains dissolved ca2 and mg2 ions one

Hard water often contains dissolved Ca2+ and Mg2+ 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. Suppose that a solution is 5.0×10-2 M in calcium chloride and 8.0×10-2 M in magnesium nitrate.What mass of sodium phosphate would have to be added to 2.0 L of this solution to completely eliminate the hard water ions? Assume complete reaction.

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Chemistry: Hard water often contains dissolved ca2 and mg2 ions one

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Chemistry: Hard water often contains dissolved ca2 and mg2 ions one

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