What Is the PH of an Aqueous Solution That Is

question 70

Multiple Choice

What is the pH of an aqueous solution that is 0.55 M HNO₂ and 0.75 M KNO₂?
K _a(HNO₂) = 7.1×10 ^{- 4}

• A) pH = 3.01
• B) pH = 3.28
• C) pH = 3.63
• D) pH = 6.94
• E) pH = 7.56

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