Chem #4

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Author:
dee3215
ID:
16891
Filename:
Chem #4
Updated:
2010-04-29 23:22:09
Tags:
protons
Folders:

Description:
PH and POH
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  1. What is the name of a proton donor in a reaction?
    Bronstid Lowery Acid-proton donor
  2. What is the conjugate acid of H2O in the reaction
    Co3 2- + HSO4-
    OH-
  3. Which is the formula for the hydronium ion?
    H30+
  4. What is the OH- for a solution at 25C that has H20+= 8.23x10^-2
    1.22 x 10^-13 m
  5. What is the pH of a 0.056M HNO3 solution?
    1.25

    -log (5.6x10^-2)
  6. What is the POH of a 0.0250m HI solution? Use Kw
    12.4

    • 14-pH=POH
    • 2.5x10^-2=
    • 14 - 1.6=12.4
  7. What is the POH of a .0085m KOH sol?
    2.1
  8. What is the (H3O) for a solution at 25C that has a POH=5.640?
    4.37 x 10^-9
  9. The substance NH3 is considered?
    Weak Base
  10. What is the OH for a solution at 25C that has (H2O)=2.35x10^-3
    4.26x10^-12

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