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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Definitions:

Rationing Device

A method used to distribute scarce resources, goods, or services among people.

Supply Shifts

Movements of the supply curve to the right or left, indicating a change in the quantity supplied at each price point, due to factors other than the price of the good itself.

Equilibrium Quantity

The quantity of goods or services supplied that is exactly equal to the quantity demanded at the market equilibrium price.

Income Elasticity

A measure of how much the demand for a good or service changes in response to a change in consumers' income, indicating its necessity or luxury status.