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3. Acids and Bases - Part 1 of 2
3. Acids and Bases / Equilibrium Constant / Problem 8

Give an approximate pKa value for each of the following acids using their  Ka values below:

1. Hydroiodic acid (HI), K= 3.2 × 109

2. Ethanoic acid (CH 3COOH), K= 1.8 × 10-5

3. Oxalic acid (HO 2C2O2H), K= 5.4 × 10-2

4. Boric acid (H 3BO3), K= 5.8 × 10-10

5. Carbonic acid (H 2CO3), K= 4.4 × 10-7

6. Benzoic acid (C 6H5COOH), K= 6.3 × 10-5

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