Which ion is described as the predominant anion of the extracellular fluid?

1. The extracellular fluid contains several anions, including chloride and bicarbonate. 2. Of these, one is present in the greatest concentration. 3. Chloride is the predominant extracellular anion. 4. So chloride is correct. _Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 26 "Fluid, Electrolyte, and Acid-Base Balance", p.1261 §Chloride_