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1972 Ap Chemistry Free High Quality Response Answers Today

) buffer solution resists pH changes when strong acids or bases are added [2, 6]. Adding Acid ( H+cap H raised to the positive power ): The weak base ( NH3cap N cap H sub 3 ) reacts with it:

PCl5(g)⇌PCl3(g)+Cl2(g)cap P cap C l sub 5 open paren g close paren is in equilibrium with cap P cap C l sub 3 open paren g close paren plus cap C l sub 2 open paren g close paren