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Which of the following best indicates that a solution is saturated?
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6. Chemical Quantities & Aqueous Reactions
Solubility Rules
Multiple Choice
Based on solubility rules, which of the following ions generally form insoluble compounds with Ag^+ in water?
A
Na^+
B
NO_3^-
C
SO_4^{2-}
D
Cl^-
검증된 단계별 안내1
Recall the common solubility rules for ionic compounds in water, focusing on silver ion (Ag^+).
Identify that most compounds containing Na^+ (sodium ion) and NO_3^- (nitrate ion) are generally soluble in water.
Note that SO_4^{2-} (sulfate ion) compounds are mostly soluble, with some exceptions like BaSO_4 and PbSO_4, but not typically insoluble with Ag^+.
Recognize that Ag^+ forms insoluble compounds with halide ions such as Cl^-, Br^-, and I^-, due to the low solubility of silver halides.
Conclude that among the given ions, Cl^- is the one that generally forms insoluble compounds with Ag^+ in water.
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