Honors - Unit 8 - Acids & Bases Flashcards
Strong Acid
Completely dissociates.
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Weak Acid
Weak acids are not fully ionized or dissociated.
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Properties of Acids
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Sour
Properties of Bases
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Bitter and slippery
Acids
Electron acceptors.
Yeild H+ Ions in solution.
H+ donor.
Bases
Electron donator.
Yeilds OH- in solution.
H+ Ion acceptor.
Hydronium Ion
[H+]
Hydroxide Ion
[OH-]
NEUTRALIZATION REACTION
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When an acid and base react in solution to form salt and water.
Products of an acid/base reaction
Salt + Water
Amphoteric
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Acid or Base
pH, pOH, [H+], [OH-] Calculation Road Map
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pH Scale
pH = (-) log [H+]
pOH = - log [OH-]
pH + pOH = 14
[H+] = 2nd Log (-) pH
[OH-] = 2nd Log (-) pOH
[H+] [OH-] = 1E-14
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If the [H+] =1E-5 in a Coca-Cola what is the concentration of [OH-]? Is the solution acidic, basic, or neutral?
[H+] [OH-] = 1E-14
[OH-] = (1E-14) / ([H+])
[OH-] = (1E-14) / (1E-5)
[OH-] = 1E-9
The solution is acidic because 1E-5 is less than 1E-7.
Determine the conjugate acid/base pairs.
NH3 + H2O —> NH4+ + OH-
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