Matching -A Solution Containing a Weak Acid (PK = 7.5)and Its

question 33

Multiple Choice

Matching
-A solution containing a weak acid (pK = 7.5) and its conjugate base at pH of 8.5 has a good capacity to buffer the addition of ______.

• A)hydrogen bond
• B)rotational
• C)H₃PO₄
• D)H₂PO₄–
• E)HPO₄ 2–
• F)disordered
• G)positive entropy
• H)negative entropy
• I)higher electronegativity
• J)insoluble
• K)tetrahedral arrangement
• L)acid
• M)base
• N)only partially ionized

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