4. Methanoic acid, HCOOH, has a K₂ value of 1.58 x 104 mol/L. What ratio of methanoic acid and sodium methanoate would give a buffer of pH = 4? r

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Chapter16: Acid-base Equilibria
Section: Chapter Questions
Problem 16.141QP: Ka for formic acid is 1.7 104 at 25C. A buffer is made by mixing 529 mL of 0.465 M formic acid,...
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4. Methanoic acid, HCOOH, has a K₂ value of 1.58 x 104 mol/L. What ratio of methanoic
acid and sodium methanoate would give a buffer of pH = 4?
Transcribed Image Text:4. Methanoic acid, HCOOH, has a K₂ value of 1.58 x 104 mol/L. What ratio of methanoic acid and sodium methanoate would give a buffer of pH = 4?
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