6. Chemical Quantities & Aqueous Reactions
Solubility Rules
Multiple Choice
Multiple ChoiceHard water often contains dissolved [Mg]2+ ions. Some laundry detergents contain sodium phosphate to soften hard water and to control acidity, thus making the detergent more effective.
What solid product forms when aqueous solutions of sodium phosphate and magnesium chloride are combined?
A
NaCl
B
Mg3[PO4]2
C
MgCl2
D
Na3PO4
E
Two solids form in this reaction.
F
No solid forms in this reaction.
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