What is the pH of a buffer solution that contains 0.40 mol n…
What is the pH of a buffer solution that contains 0.40 mol nitrous acid (HNO2) and 0.30 mol potassium nitrite (KNO2) in water sufficient to yield 1.0 L of solution? Hint: The Ka of HNO2 is 4.0 x 10-4.