Consider the titration in Figure 10-2, for which the pH at the equivalence point is calculated to
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Consider the titration in Figure 10-2, for which the pH at the equivalence point is calculated to be 9.25. If thymol blue is used as an indicator, what color will be observed through most of the titration prior to the equivalence point? At the equivalence point? After the equivalence point?
Figure 10-2
Transcribed Image Text:
Buffer Excess region OH- 12 11 Maximum 10 Equivalence point slope (inflection point) 9 Minimum slope (inflection point) 7 6 pH = pK, 12 3 2 4 8. 10 12 14 16 V, (mL) 4. Hd
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First lets see the pH transition range for thymol blue 12red 28yellow 80yellow 96blu...View the full answer
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