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9. Which area, A or B, on Figure 2-8 is acting as buffer 10 8 ml of

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9. Which area, A or B, on Figure 2-8 is acting as buffer? 10 8 ml of HCI Figure 2-8 pH and Acidity 10. What is it about the region of the graph you picked in the previous question (A or B) that shows you that buffering is happening at that region? e are snailan Solution Area B is showing that buffering is happening in that at that region because a buffer is a solution containing either a weak acid and its salt or a weak base and its salt, which is resistant to changes in pH. Above plot shows how the buffer capacity changes in the B region after adding a small amount of HCl.

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9. Which area, A or B, on Figure 2-8 is acting as buffer? 10 8 ml of HCI Figure 2-8 pH and
Acidity 10. What is it about the region of the graph you picked in the previous question (A or B)
that shows you that buffering is happening at that region? e are snailan


Solution


Area B is showing that buffering is happening in that at that region because a buffer is a solution
containing either a weak acid and its salt or a weak base and its salt, which is resistant to changes
in pH. Above plot shows how the buffer capacity changes in the B region after adding a small
amount of HCl.

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