base and? The carbonate buffer is responsible for the pH regulation of the extracellular environment. A carbonic acid-hydrogencarbonate is prepared in a ratio 1.25:1. The Ka is 4.5 x 10^-7 what is the concentration of t hydrogen carbonate ion if the physiological pH = 7.35 what is the concentration of Hâ‚‚COâ‚‚ lon
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