H,CO, H* + HCo,- HCO, H* +CO, 3. K, = 4.3 × 10-7 K, = 5.6 × 10-" The acid dissociation constants for the reactions above are given at 25°C. (a) What is the pH of a 0.050-molar solution of H,CO, at 25°C? (b) What is the concentration of CO,- ions in the solution in (a)? (c) How would the addition of each of the following substances affect the pH of the solution in (a)?

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Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.