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Acids and Bases Unit III
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Brainstorm: Acids and Bases
Think Pair Share
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All acids with the same concentration are the same strength
With your group decide whether you agree or disagree with each of the following statements: BEFORE AFTER All acids with the same concentration are the same strength All bases have “OH” in their chemical formula The pH scale is a logarithmic scale
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Sort the following vocabulary words into groups:
Arrhenius theory Caustic Titration Sour taste Logarithms Kw Strong base Corrosive Electrolyte Dissociation Conjugate acid-base pair Bitter taste Levelling effect Proton Ka Weak acid pH Hydrogen ion Ionization Strong acid Hydrolysis Bronsted-Lowry theory Indicators Amphiprotic Weak base Kb pOH Slippery Buffers
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![Weak Acids A weak acid does not ionize completely to form hydrogen ions. e.g.HC 2 H 3 O 2 (aq ) H + (aq) + C 2 H 3 O 2 - (aq) 1.3% K a = [H + (aq) ] [H.](/8/2410207/big_thumb.jpg "Weak Acids A weak acid does not ionize completely to form hydrogen ions. e.g.HC 2 H 3 O 2 (aq ) H + (aq) + C 2 H 3 O 2 - (aq) 1.3% K a = [H + (aq) ] [H.>")
