If the pKa for formic acid is 3.75 the ratio of formate (A) to formic acid (HA) at pH 4.15 is 5:1. The pH of 1 liter of water to which is added 10 mL of 5.0 M HCI is 1.3. If an acid has a pka of 4.76 the Ka = 0.00001.
If the pKa for formic acid is 3.75 the ratio of formate (A) to formic acid (HA) at pH 4.15 is 5:1. The pH of 1 liter of water to which is added 10 mL of 5.0 M HCI is 1.3. If an acid has a pka of 4.76 the Ka = 0.00001.
Chapter15: Complex Acid/base Systems
Section: Chapter Questions
Problem 15.16QAP
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