1. While titrating, a student added 45 mL of NaOH solution without ever seeing a color change. Suggest at least two possible reasons that this might occur. 2. While titrating, a student added 0.5 mL of NaOH and observed an intense color change. Suggest at least one possible reason that this might occur. 3. A student completed two trials of titration with a very faint pink color, and one that was a very bright, intense pink color. What should the student do at that point? 4. The AGxn value for this reaction is different than the value you calculated in this experiment. Explain why the two values are different. (You may need to consult your textbook. See Chapter 18, relating AG xn to AG xn at nonstandard states and to Keq). 8
1. While titrating, a student added 45 mL of NaOH solution without ever seeing a color change. Suggest at least two possible reasons that this might occur. 2. While titrating, a student added 0.5 mL of NaOH and observed an intense color change. Suggest at least one possible reason that this might occur. 3. A student completed two trials of titration with a very faint pink color, and one that was a very bright, intense pink color. What should the student do at that point? 4. The AGxn value for this reaction is different than the value you calculated in this experiment. Explain why the two values are different. (You may need to consult your textbook. See Chapter 18, relating AG xn to AG xn at nonstandard states and to Keq). 8
Chapter7: Neutralization Titrations And Graphical Representations
Section: Chapter Questions
Problem 12P
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Please correct answer and don't use hand raiting
Transcribed Image Text:1. While titrating, a student added 45 mL of NaOH solution without ever seeing a color change. Suggest
at least two possible reasons that this might occur.
2. While titrating, a student added 0.5 mL of NaOH and observed an intense color change. Suggest at
least one possible reason that this might occur.
3. A student completed two trials of titration with a very faint pink color, and one that was a very bright,
intense pink color. What should the student do at that point?
4. The AGxn value for this reaction is different than the value you calculated in this experiment. Explain
why the two values are different. (You may need to consult your textbook. See Chapter 18, relating
AG xn to AG xn at nonstandard states and to Keq).
8
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