AP Chemistry Quiz
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ACIDS AND BASES
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A buffer is made by combining aqueous ammonia, NH3\mathrm{NH_3}, and ammonium chloride, NH4Cl\mathrm{NH_4Cl}. A small amount of strong base, NaOH(aq)\mathrm{NaOH(aq)}, is added. Which statement best describes how the buffer resists a large pH change and identifies the species that reacts with the added base?
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