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Lakeland Acid/Base Review

Lakeland Acid/Base Review. Click on a question to begin. Question 1. Try Again. Acids provide H +. Try Again. Correct!. An Arrhenius acid increases the concentration of H + in solution. Next Question. Question 2. Try Again.

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Lakeland Acid/Base Review

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  1. Lakeland Acid/Base Review

  2. Click on a question to begin

  3. Question 1

  4. Try Again • Acids provide H+ Try Again

  5. Correct! • An Arrhenius acid increases the concentration of H+ in solution Next Question

  6. Question 2

  7. Try Again • The pH scale is based on powers of 10. Strong acids have low pH values, strong bases have high pH values. Try Again

  8. Correct! • As pH changes from 5 to 3 the acid is stronger so [H3O+] increases by 100. Next Question

  9. Question 3

  10. Try Again • MAVA = MBVB Try Again

  11. Correct! • MAVA = MBVB so (.2)(5) = MB(10) MB = 0.1 M Next Question

  12. Question 4

  13. Try Again • The products of the reaction are a salt and water Try Again

  14. Correct! • A neutralization reaction is always an acid and base reacting to form a salt and water Next Question

  15. Question 5

  16. Try Again • Arrhenius bases always produce hydroxide Try Again

  17. Correct! • Hydroxide, OH-, is the negative ion that is always produced by an Arrenhius base Next Question

  18. Question 6

  19. Try Again • Acids create hydronium in solution Try Again

  20. Correct! • The stronger the acid the more hydronium that is produced Next Question

  21. Question 7

  22. Try Again • Identify a product that is similar to water to decide if it gained or lost a proton Try Again

  23. Correct! • Water became OH- which means that it donated a H+ ion Next Question

  24. Question 8

  25. Try Again • Water is neutral, so its ions should be even Try Again

  26. Correct! • Since water is neutral [H+] = [OH-] Next Question

  27. Question 9

  28. Try Again • pH = - log[H+] Try Again

  29. Correct! • pH = -log[H+] = -log(0.01) = 2 Next Question

  30. Question 10

  31. Try Again • A conjugate acid/base pair differs by only 1 H+ Try Again

  32. Correct! • HSO4- and SO42- differ by only one H+ Next Question

  33. Question 11

  34. Try Again • Bases are proton acceptors Try Again

  35. Correct! • NH3and SO42- both gain a H+ Next Question

  36. Question 12

  37. Try Again • The more hydroxide produced, the higher the Kbvalue Try Again

  38. Correct! • The strongest bases will have the highest Kbvalue Next Question

  39. Question 13

  40. Try Again • pOH = -log[OH-], pH = 14 - pOH Try Again

  41. Correct! • pOH = - log(0.001) = 3 • pH = 14 – 3 = 11 Next Question

  42. Question 14

  43. Try Again • -ous ending of an acid name means that it is made with a polyatomic that ends in -ite Try Again

  44. Correct! • Nitrous acid is hydrogen nitrite, HNO2 Next Question

  45. Question 15

  46. Try Again • Hydrobromic acid means that the formula for the acid should come from the name hydrogen bromide Try Again

  47. Correct! • HBr is hydrogen bromide. Following the rules for naming acids, hydrogen bromide becomes hydrobromic acid. Next Question

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