One of the buffers that contribute to ph stability in human blood is carbonic acid (h2co3). carbonic acid is a weak acid that, when placed in an aqueous solution, dissociates into a bicarbonate ion (hco3-) and a hydrogen ion (h ), as noted below. if the ph of blood drops, one would expect one of the buffers that contribute to ph stability in human blood is carbonic acid (h2co3). carbonic acid is a weak acid that, when placed in an aqueous solution, dissociates into a bicarbonate ion (hco3-) and a hydrogen ion (h ), as noted below. if the ph of blood drops, one would expect the hco3- to act as a base and remove excess h by the formation of h2co3 the concentration of bicarbonate ions (hco3-) to increase the hco3- to act as an acid and remove excess h by the formation of h2co3 a decrease in the concentration of h2co3 and an increase in the concentration of hco3-

The pH is used to check the degree of acidity or the alkalinity of a solution.

The pH of the human blood is neutral and buffer helps in maintaining its stability.

Here, Carbonic acid acts as a buffer, and its dissociation is given as follows:

The removal of excess H⁺ ions by HCO₃⁻ prevents the blood from becoming acidic. Hence, if the blood drops, the pH of the blood decreases, and one will expect that HCO₃⁻ will function as a base, removing excess H⁺ and forming H₂CO₃.

Therefore, we can conclude that, if the pH of blood drops, one would expect the HCO₃⁻ to act as a base and remove the excess H⁺ with the formation of H₂CO₃.

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