§-Quick questions
NSWChemistryModule 5: Equilibrium and Acid Reactions
Quick questions on Buffer systems explained: HSC Chemistry Module 5
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is the buffer equilibrium?Show answer
For an acetic acid / acetate buffer:
What is the blood buffer system?Show answer
Blood is buffered between pH 7.35 and 7.45 by the carbonic acid / bicarbonate system:
What is q1?Show answer
Identify the two components of an effective buffer and explain why a strong acid and its conjugate base would not buffer effectively. [3 marks]
What is q2?Show answer
A buffer is prepared by mixing 0.20 mol () with 0.10 mol in 1.0 L of water. Calculate the buffer pH. [3 marks]
What is q3?Show answer
A buffer at pH 7.4 is prepared from / (). (a) Calculate the ratio . (b) Write equations to show how the buffer responds to added and added .
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