5. Answer the following questions a-d: Type all questions and answers. a. i) Look at your results for Table II. Which one of the three buffers was the best buffer overall? ii) Look at the number of drops. Which solution preparation was the best buffer against HCI? iii) Which was the best buffer against NaOH? b. Looking at the method of preparation and molarities in the prepared solutions; Explain why you think the particular preparation chosen in answer (a) above buffered better against HCl or NaOH. c. Using your text book or internet sources, summarize the use of another chemical buffer in our body, environment, or industrial usage THAT WAS NOT MENTIONED IN THIS EXPERIMENT. Include your reference. Just saying "so and so is a buffer" does not answer this question. Your answer should include appropriate reactions as well. d. Was water a good buffer? Explain your answer. Be careful to not just restate the facts.

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Help me with question A-D
5. Answer the following questions a-d: Type all questions and answers.
a. i) Look at your results for Table II. Which one of the three buffers was
the best buffer overall?
ii) Look at the number of drops. Which solution preparation was the best
buffer against HCI?
iii) Which was the best buffer against NaOH?
b. Looking at the method of preparation and molarities in the prepared
solutions; Explain why you think the particular preparation chosen in
answer (a) above buffered better against HCl or NaOH.
c. Using your text book or internet sources, summarize the use of another
chemical buffer in our body, environment, or industrial usage THAT
WAS NOT MENTIONED IN THIS EXPERIMENT. Include your
reference. Just saying "so and so is a buffer" does not answer this
question. Your answer should include appropriate reactions as well.
d. Was water a good buffer? Explain your answer. Be careful to not just
restate the facts.
Transcribed Image Text:5. Answer the following questions a-d: Type all questions and answers. a. i) Look at your results for Table II. Which one of the three buffers was the best buffer overall? ii) Look at the number of drops. Which solution preparation was the best buffer against HCI? iii) Which was the best buffer against NaOH? b. Looking at the method of preparation and molarities in the prepared solutions; Explain why you think the particular preparation chosen in answer (a) above buffered better against HCl or NaOH. c. Using your text book or internet sources, summarize the use of another chemical buffer in our body, environment, or industrial usage THAT WAS NOT MENTIONED IN THIS EXPERIMENT. Include your reference. Just saying "so and so is a buffer" does not answer this question. Your answer should include appropriate reactions as well. d. Was water a good buffer? Explain your answer. Be careful to not just restate the facts.
Table 2: Ammonia Buffers
Total # Drops of HCL to
reach pH = 8
Total # drops of NaOH to
reach pH = 10.00
Buffer
20 drops
30 drops
1) NH,/NH, (aq)
solutions
2) NH/solid NH,CI
63 drops
85 drops
3) NH,/titrated with HCl
11 drops
20 drops
Transcribed Image Text:Table 2: Ammonia Buffers Total # Drops of HCL to reach pH = 8 Total # drops of NaOH to reach pH = 10.00 Buffer 20 drops 30 drops 1) NH,/NH, (aq) solutions 2) NH/solid NH,CI 63 drops 85 drops 3) NH,/titrated with HCl 11 drops 20 drops
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