PAG 11.1 – pH – problem solving
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Question 1 of 50
1. Question
What are the units for K_a ?
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Question 2 of 50
2. Question
What is one hazard when using the unknown compounds A-G within this experiment?
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Question 3 of 50
3. Question
What is one hazard when using sodium hydroxide within an experiment?
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Question 4 of 50
4. Question
What is one hazard when using phenolphthalein within an experiment?
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Question 5 of 50
5. Question
What concentration are the unknown compounds A-G?
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Question 6 of 50
6. Question
What concentration of sodium hydroxide should be used?
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Question 7 of 50
7. Question
What concentration of hydrochloric acid should be used?
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Question 8 of 50
8. Question
What type of pipette should be used?
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Question 9 of 50
9. Question
What is the identity of compound A?
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Question 10 of 50
10. Question
What is the identity of compound B?
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Question 11 of 50
11. Question
What is the identity of compound C?
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Question 12 of 50
12. Question
What is the identity of compound D?
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Question 13 of 50
13. Question
What is the identity of compound E?
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Question 14 of 50
14. Question
What is the identity of compound F?
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Question 15 of 50
15. Question
What is the identity of compound G?
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Question 16 of 50
16. Question
What colour does compound A turn when phenolphthalein is added?
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Question 17 of 50
17. Question
What colour does compound B turn when phenolphthalein is added?
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Question 18 of 50
18. Question
What colour does compound C turn when phenolphthalein is added?
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Question 19 of 50
19. Question
What colour does compound D turn when phenolphthalein is added?
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Question 20 of 50
20. Question
What colour does compound E turn when phenolphthalein is added?
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Question 21 of 50
21. Question
What colour does compound F turn when phenolphthalein is added?
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Question 22 of 50
22. Question
What colour does compound G turn when phenolphthalein is added?
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Question 23 of 50
23. Question
What is the pH of compound A?
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Question 24 of 50
24. Question
What is the pH of compound B?
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Question 25 of 50
25. Question
What is the pH of compound C?
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Question 26 of 50
26. Question
What is the pH of compound D?
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Question 27 of 50
27. Question
What is the pH of compound E?
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Question 28 of 50
28. Question
What is the pH of compound F?
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Question 29 of 50
29. Question
What is the pH of compound G?
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Question 30 of 50
30. Question
What colour does compound A turn when hydrochloric acid is added?
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Question 31 of 50
31. Question
What colour does compound B turn when hydrochloric acid is added?
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Question 32 of 50
32. Question
What colour does compound C turn when hydrochloric acid is added?
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Question 33 of 50
33. Question
What colour does compound D turn when hydrochloric acid is added?
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Question 34 of 50
34. Question
What colour does compound E turn when hydrochloric acid is added?
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Question 35 of 50
35. Question
What colour does compound F turn when hydrochloric acid is added?
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Question 36 of 50
36. Question
What colour does compound G turn when hydrochloric acid is added?
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Question 37 of 50
37. Question
What colour does compound A turn when sodium hydroxide is added?
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Question 38 of 50
38. Question
What colour does compound B turn when sodium hydroxide is added?
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Question 39 of 50
39. Question
What colour does compound C turn when sodium hydroxide is added?
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Question 40 of 50
40. Question
What colour does compound D turn when sodium hydroxide is added?
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Question 41 of 50
41. Question
What colour does compound E turn when sodium hydroxide is added?
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Question 42 of 50
42. Question
What colour does compound F turn when sodium hydroxide is added?
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Question 43 of 50
43. Question
What colour does compound G turn when sodium hydroxide is added?
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Question 44 of 50
44. Question
What is the exact pH value of the ammonia solution?
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Question 45 of 50
45. Question
What is the exact pH value of the ethanoic acid solution?
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Question 46 of 50
46. Question
What is the exact pH value of the ethanoic acid buffer solution?
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Question 47 of 50
47. Question
What is the exact pH value of the methanoic acid solution?
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Question 48 of 50
48. Question
What is the exact pH value of the sodium hydroxide solution?
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Question 49 of 50
49. Question
What is the exact pH value of the sulfuric acid solution?
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Question 50 of 50
50. Question
How many parts are there to this experiment?
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