3. Consider the weak acid formic acid, for which Ka = 1.8x10-4. a. What's the pH of a formic acid/sodium formate solutio

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3 Consider The Weak Acid Formic Acid For Which Ka 1 8x10 4 A What S The Ph Of A Formic Acid Sodium Formate Solutio 1 (43.57 KiB) Viewed 15 times

3. Consider the weak acid formic acid, for which Ka = 1.8x10-4. a. What's the pH of a formic acid/sodium formate solution where [formic acid] = 20 mM and [formate] = 15 mM? b. What's the pH of a formic acid/sodium formate solution where [formic acid] = 20 mM and [formate] = 20 mM? c. If you add 3 mM HCI to the solution in part a, what is the new pH? d. If you add 3 mM HCI to the solution in part b, what is the new pH? e. Which of the two solutions has better buffering capacity? Briefly explain why.