Building Skills

  1. 9. pH =8, base

  2. 11. pH 4.64, acid

  3. 13. [H+]=106, [OH]=108

  4. 15. [H+]=3.161010 [OH]=3.16105

  5. 17.

    1. 105I0

    2. 7.941011

  6. 19.

    1. 6.3107I0

    2. 1.261016

  7. 21.

    1. 6;

    2. 106I0

  8. 23.

    1. 5.1

    2. 1.26105I0

  9. 25. 40

  10. 27. 55.4

  11. 29. 104

  12. 31. 2.95106

  13. 33. A#466 Hz, C523 Hz

  14. 35. 18 cents; noticeable

  15. 37. A is 2.5×106 times brighter than B.

  16. 39. B is 6.31 times brighter than A.

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