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Common ion effect

  1. Mar 6, 2008 #1
    1. The problem statement, all variables and given/known data

    does the ph increase , decrease or remain the same on addition of each of the folling
    a) LiF to an HF Solution
    B) KI to an HI solution
    C) NH4Cl to an NH3 solution
    2. Relevant equations

    3. The attempt at a solution

    i got the equations and the answers to these i just want to know the reason so i can do it next time on why Lif ph increases, Ki's remains the same and that NH4Cl's decreases . it would be a great help and this explanation might save my chemistry grade. thanks for the help guys
  2. jcsd
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