Consider the titration of 50.0 mL of 0.200 M HNO2 (pKa = 3.149) with 0.200 M KOH. The net ionic equation for the reaction is: HN NO₂ (aq) + H20(1). What is the pH of the solution after the addition of 31.6 mL of the strong base (KOH)? Write your answer in c after the decimal point. pH =
Will MgF2 (Ksp 7.4 x 10-9) precipitate in a solution that is 9.1 x 10-2 M in Mg2+ and 7.4 x 10-4 M in F? Yes, it will precipitate. No, it will not precipitate.
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