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QUESTION
What is a buffer?
What is a buffer? What would be the pH of a buffer consisting of 0.1 M NH4OH (ammonium hydroxide) and 0.2 M NH4Cl (ammonium chloride) given that Kb for the dissociation of ammonium hydroxide is 1.8 x 10-5?
NH4OH--------> NH4+ + OH-
