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Questions and Answers
What chemical equilibrium is responsible for the pH resistance in buffer solutions?
What chemical equilibrium is responsible for the pH resistance in buffer solutions?
- Equilibrium between a weak acid and its conjugate base (correct)
- Equilibrium between a strong acid and a weak base
- Equilibrium between two weak bases
- Equilibrium between two strong acids
What is a buffer solution primarily known for?
What is a buffer solution primarily known for?
- Maintaining a constantly increasing pH on dilution or addition of acid/base
- Causing significant pH changes on dilution or addition of acid/base
- Having no effect on pH when diluted or when acid/base is added
- Resisting significant pH changes on dilution or addition of acid/base (correct)
How does the addition of a strong acid affect the equilibrium in a buffer solution?
How does the addition of a strong acid affect the equilibrium in a buffer solution?
- Shifts the equilibrium to the left (correct)
- Dissolves the equilibrium
- Shifts the equilibrium to the right
- Has no effect on the equilibrium
What is the role of the bicarbonate buffering system in living systems?
What is the role of the bicarbonate buffering system in living systems?
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In nature, where does bicarbonate act as a buffer?
In nature, where does bicarbonate act as a buffer?
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