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Calculate the numerical pH for the following aqueous solutions: 0.134 M ammonium nitrate, NH4NO3 (aq) =...

Calculate the numerical pH for the following aqueous solutions:

0.134 M ammonium nitrate, NH4NO3 (aq) = ?

0.101 M potassium cyanide, KCN (aq) = ?

0.260 M ammonium nitrate, NH4NO3 (aq) = ?

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