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Consider the following solutions for the next four questions
I. 100.0 mL of .50 M (C2H5)3N (Kb = 4.0x10-4)
II. 50.0 mL of .30 M HClO4
III. 50.0 mL of .25 M KOH
IV. 100.0 mL of .50 M (C2H5)3NHI

1. Calculate the pH of solution I
2. Calculate the pH of the resulting solution when the solutions I and II are mixed together.
3. Calculate the pH of the resulting solution when solutions I, III, and IV are mixed together.
4. Calculate the pH of the resulting solution when solutions I, I, III, and IV are mixed together

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