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Based on Table F, which equation represents a saturated solution having the lowest concentration of

January 2018 NY Regents Chemistry Exam


38 Based on Table F, which equation represents a saturated solution having the lowest concentration of Cl- ions









Solution: Table F on the Reference Table is a solubility table. A compound that is soluble, will dissolve in water. If an ionic compound dissolves in water, it will break into ions such as Cl-. We are looking for the lowest concentration of Cl- ions, which means we are looking for a compound that would not dissolve in water and would not dissociate into Cl- ions. NaCl, NH4Cl and KCl are all soluble in water. AgCl is insoluble in water.

Answer: 2


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