In: Chemistry
1) A pH meter is standardized at what three pHs?
2) The initial pH of the acetic acid-NaOH titration curve was _________.
3) Explain which of the following indicators would be appropriate for a weak acid-strong base titration?
| Indicator | pH of color change | 
| Bromcresol green | 3.8 - 5.4 | 
| Bromothymol blue | 6.0 - 7.6 | 
| Phenolphthalein | 8.0 - 9.6 |