Calculate pKa at pH = 7.5 for the NO3-/NO2- couple with [NO3-] = 10^-5 M and [NO2-] = 10^-8 M. Select one: a. 13.15 b. 14.65 c. 0.057 d. 8.15
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Step 1: Write the half-reaction for the NO3-/NO2- couple: NO3- + 2H+ + 2e- -> NO2- + H2O Show more…
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