31 30 Notice the level and steep areas of the phosphate and carbonae curves on F

Question

31 30 Notice the level and steep areas of the phosphate and carbonae curves on Figure 2-4 ansd State the definition of a buller. ^ think about which areas on the figure are acting as buffers. 12. Observe the two different regions on Figure 2-4 where the phosphates are acting s buffiers (ignore any area below a pht of 3, if present) What are the pH ange valaes foe these two different areas? 3 Which phosphate equilibrius reaction is acting as a buffer at the high pli area 13. ml of HCI carbonate iors (COjt) and added hydrogen ions (). Basic pair Figure 2-8 plH and Acidity What is it about the region of the graph you picked in the previous question (A or B 1 Midrange pair 1&. What is a reason that the carbonate pair (froms question 17 above) is used in our body? Basic pair

Explanation / Answer

8. Definition of buffer:

A buffer is an aqueous solution of either a weak acid and its conjugate base ot a weak base and its conjugate acid. Buffer is used to maintian a consatnt pH.

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