Ionic Strength/Activity Coefficients

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This topic contains 1 reply, has 0 voices, and was last updated by  Ethon 12th May 2018 at 8:48 am.

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    I’m having some trouble with this question:

    Consider the following reaction in which solid silver chloride is in equilibrium with silver and chloride ions:

    AgCl(s)  ::equil:: Ag+(aq) + Cl-(aq)

    If we add 0.05 M of NaCl to this solution, the _______ of Ag+(aq) will decrease (Choose all correct answers)

    1. activity
    2. solubility
    3. activity coefficient 
    4. concentration 

    I thought the answer was solubility and concentration because adding NaCl causes the common ion effect, but apparently that’s not right. I also tried just concentration and that was wrong too. Help? 

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