When a strong acid such as HCl is added to the carbonic acid buffer system, more carbonic acid is formed.
What is a buffer system?
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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