identify the major speciesin solution Identify the major species in solution (co

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identify the major speciesin solution

Identify the major species in solution (concentrations are given for the total mixture, before any reaction) for each case stated below. Once all species have been listed, pick the one(s) that will control the pH of the solution and write out the relevant equilibrium expression(s) and/or reaction(s) and state whether the solution will be acidic or basic. 0.4 M HBr + 0.3 M LiOH 0.03 M methylamine + 0.05 M ammonia 0.25 M KC2H3O2 0.65 M hydrofluoric acid + 0.65 M hypochlorous acid 0.078 M benzoic acid + 0.05 M sodium benzoate 0.55 M pyridinium chloride 0.3 M NH4NO3 +0.05 M KOH Calculate the pH of each of the solutions in #2

Explanation / Answer

1. -OH group in LiOH

2. ammonia

3. -OH group in epoxide

4. -F ion hydrofluoric acid

5. -OH group in benzoic acid

6. Cl- ion in pyramidinum chloride

7.- OH ion

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