connnnor3068 connnnor3068 19-07-2024 Chemistry Answered Which of the following HCO3- to H2CO3 ratios represent(s) an acidic pH? 1. 18:1 2. 28:1 3. 12:1 4. 22:1. A. 1 only. B. 2 only. C. 3 only. D. 1 and 3 only.