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Which of the Following Is the Strongest Weak Acid

Question 27

Multiple Choice

Which of the following is the strongest weak acid?

A) H₂PO₄^- pKa = 7.18
B) NH₄⁺ pKa = 9.20
C) HC₂H₃O₂ pKa = 4.76
D) HCO₃^- pKa = 10.32

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