A Buffer Solution Contains a Mixture of Carbonic Acid (H₂CO₃)and $\rightarrow$

question 28

Multiple Choice

A buffer solution contains a mixture of carbonic acid (H₂CO₃) and potassium hydrogen carbonate (KHCO₃) .What reaction will take place if H⁺ is added to this solution?

• A) H₂CO₃ (aq)+ H⁺ (aq)\(\rightarrow\)H₃CO₃⁺ (aq)
• B) HCO₃^- (aq)+ H⁺ (aq)\(\rightarrow\) H₂CO₃ (aq)
• C) KHCO₃ (aq)+ H⁺ (aq)\(\rightarrow\) KH₂CO₃ (aq)
• D) CO₃^2- (aq)+ H⁺ (aq)\(\rightarrow\)HC₂H₃O₂ (aq)

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