The beaker on the right contains 0.1 M acetic acid solution with methyl orange as an indicator.

Question:

The beaker on the right contains 0.1 M acetic acid solution with methyl orange as an indicator. The beaker on the left contains a mixture of 0.1 M acetic acid and 0.1 M sodium acetate with methyl orange.
(a) Using Figure 16.7, what can you say about the pH of each solution?
(b) Which solution is better able to maintain its pH when small amounts of NaOH are added? Explain. [Sections 17.1 and 17.2]