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A liter solution contains 0.428 M acetic acid and 0.584 M potassium acetate. Addition of 0.482 moles of barium hydroxide will: (Assume that the volume does not change upon the addition of barium hydroxide.) a) Raise the pH slightly b) Lower the pH slightly c) Raise the pH by several units d) Lower the pH by several units e) Not change the pH f) Exceed the buffer capacity