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Acid–Base Chemistry
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Acid–Base Chemistry
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25 Questions

1. Mixtures that would be useful as buffers include which of the following? I. NH3 and NH4Cl II. HCl and KCl III. HF and KF
2. Which of the following solutions at a concentration of 0.1 M has a pH > 7?
3. It is possible to create all of the following solutions by mixing 0.25 M and 0.35 M HCl except:
4. A sample of 200 mL of 0.20 M Sr(OH)2 is added to 800 mL of 0.80 M Ba(OH)2. Which of the following best approximates the pH of the final solution?
5. Which of the following steps would convert 100 mL of KOH solution with a pH of 13 to a KOH solution with a pH of 12?
6. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.
7. The pH of a solution prepared by the addition of 100 mL 0.002 M HCl to 100-mL distilled water is closest to:
8. The pH of a solution prepared by the addition of 5.0 mL 0.02 M Ba(OH)2 to 15-mL distilled water is closest to:
9. Bronsted–Lowry acid
10. Which of the following statements is true of the reaction represented above?
11. Which of the following is the conjugate acid of NH3?
12. Arrhenius base
13. The acid dissociation constant for a weak monoprotic acid HA is 5.0 × 10−9. The pH of a 0.5 M HA solution is closest to:
14. The pH of a solution prepared by the addition of 5.0 mL 0.02 M Ba(OH)2 to 15-mL distilled water is closest to:
15. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.
16. At 25°C, aqueous solutions with a pH of 6 have a hydroxide ion concentration, [OH−], of:
17. In the reaction above, H2O acts as:
18. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.
19. It is possible to create all of the following solutions by mixing 0.25 M and 0.35 M HCl except:
20. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.
21. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.
22. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.
23. A sample of 200 mL of 0.20 M Sr(OH)2 is added to 800 mL of 0.80 M Ba(OH)2. Which of the following best approximates the pH of the final solution?
24. Forms coordinate covalent bonds with acids
25. An aqueous solutions containing 1:1 mole ratios of the following pairs of substances. Assume all concentrations are 1 M.

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