1 / 37

Worksheet: Acids, Bases & pH Key

Worksheet: Acids, Bases & pH Key. 1. Label the substance below as an acid, base or neutral substance. pH = 7 (b) pOH = 9 (c) pH = 3 (d) pOH = 4 (e) pH = 13 (f) pOH = 7. 1. Label the substance below as an acid, base or neutral substance. pH = 7 N (b) pOH = 9 A

cecile
Download Presentation

Worksheet: Acids, Bases & pH Key

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Worksheet: Acids, Bases & pHKey

  2. 1. Label the substance below as an acid, base or neutral substance. • pH = 7 (b) pOH = 9 (c) pH = 3 (d) pOH = 4 (e) pH = 13 (f) pOH = 7

  3. 1. Label the substance below as an acid, base or neutral substance. • pH = 7 N (b) pOH = 9 A (c) pH = 3 A (d) pOH = 4 B (e) pH = 13 B (f) pOH = 7 N

  4. 2. How does the Arrhenius theory define an acid?

  5. 2. How does the Arrhenius theory define an acid? • An acid produces H3O+ ions when dissolved in water.

  6. 3. How does the Arrhenius theory define an base?

  7. 3. How does the Arrhenius theory define an base? • A base produces OH- ions when dissolved in water.

  8. 4. Differentiate between an electrolyte and a nonelectrolyte.

  9. 4. Differentiate between an electrolyte and a nonelectrolyte. • An electrolyte dissolves into ions when placed in water whereas a nonelectrolyte dissolves into molecules.

  10. 5. What type of substances are electrolytes?

  11. 5. What type of substances are electrolytes? Acids, Bases, Salts

  12. 6. When H+ ions are dissolved in water they become hydronium ions. What is the formula for a hydronium ion?

  13. 6. When H+ ions are dissolved in water they become hydronium ions. What is the formula for a hydronium ion? H3O+

  14. 7. What is the pH of a solution with a [H+] = 4.32 x 10-12?

  15. 7. What is the pH of a solution with a [H+] = 4.32 x 10-12? pOH = 11.365

  16. 8. What is the pOH of a solution with a [OH-] = 6.83 x 10-3?

  17. 8. What is the pOH of a solution with a [OH-] = 6.83 x 10-3? pOH = 2.166

  18. 9. What is the pOH of a solution with a pH = 3.8?

  19. 9. What is the pOH of a solution with a pH = 3.8? pOH = 10.2

  20. 10. What is the [H+] in a solution with a pH = 7.3?

  21. 10. What is the [H+] in a solution with a pH = 7.3? [H+] = 5.0 x 10-8

  22. 11. What is the [OH-] in a solution with a pOH = 10.7?

  23. 11. What is the [OH-] in a solution with a pOH = 10.7? [OH-] = 2.0 x 10-11

  24. 12. What is the pH of a solution with a [OH-] = 8.62 x 10-5?

  25. 12. What is the pH of a solution with a [OH-] = 8.62 x 10-5? pH = 9.936

  26. 13a) Write the balanced equation for the acid-base neutralization of H2SO4 and Ba(OH)2.

  27. 13a) Write the balanced equation for the acid-base neutralization of H2SO4 and Ba(OH)2. H2SO4 + Ba(OH)2 → BaSO4 + 2H2O

  28. 13b) Write the balanced equation for the acid-base neutralization of HF and NaOH.

  29. 13b) Write the balanced equation for the acid-base neutralization of HF and NaOH. HF + NaOH→ NaF + H2O

  30. 13c) Write the balanced equation for the acid-base neutralization of HI and Sr(OH)2.

  31. 13c) Write the balanced equation for the acid-base neutralization of HI and Sr(OH)2. 2HI + Sr(OH)2 → SrI2 + 2H2O

  32. 13d) We often use the equation Macid x Vacid = Mbase x Vbase. Which of the acid-base neutralization reactions above could we not use this formula for? Explain.

  33. 13d) We often use the equation Macid x Vacid = Mbase x Vbase. Which of the acid-base neutralization reactions above could we not use this formula for? Explain. • The reaction between HI and Sr(OH)2 could not be used because the acid and the base do not react in a 1:1 ratio.

  34. 13e) In an acid-base neutralization reaction 26 ml of Ba(OH)2 reacts with 16 ml of 0.48M H2SO4. What is the molarity of the Ba(OH)2?

  35. 13e) In an acid-base neutralization reaction 26 ml of Ba(OH)2 reacts with 16 ml of 0.48M H2SO4. What is the molarity of the Ba(OH)2? 0.30M

  36. 13f) How many milliliters of 0.57M HF will react with 39 ml of 0.86M NaOH in an acid-base neutralization reaction?

  37. 13f) How many milliliters of 0.57M HF will react with 39 ml of 0.86M NaOH in an acid-base neutralization reaction? 59 ml

More Related