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Long Answer Question (10 overall) 19. Calculate the change in pH that occurs when 0.10 mol HCl(e) is added to 1.0 L of an ammonia-

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Long Answer Question (10 overall) 19. Calculate the change in pH that occurs when 0.10 mol HCl(e) is added to 1.0 L of an ammonia- ammonium chloride buffer containing 0.45 mol/L NHs (aq) and 0.45 mol/L NH." (aq) at equilibrium. Assume no change in the volume of the buffer and assume the pH is 10.5. (10 marks) NH3 + H20) NHea+ OH (0) Kb =

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