When a strong acid such as HCl is added to the carbonic acid buffer system, <u>more </u><u>carbonic </u><u>acid is </u><u>formed</u><u>.</u>
<h3>What is a buffer system?</h3>
A buffer system prevent the pH change and resist it when an acid or base is added to the solution.
A buffer system is prepared by weak acid or weak base and their salts. There are three types of buffer system present.
- Carbonic acid buffer
- Plasma protein buffer
- Phosphate buffer
Thus, the correct option is b. More carbonic acid is formed.
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